CN108646460A - Realize the high density pel array device and preparation method thereof that emergent light polarizes entirely - Google Patents
Realize the high density pel array device and preparation method thereof that emergent light polarizes entirely Download PDFInfo
- Publication number
- CN108646460A CN108646460A CN201810657122.6A CN201810657122A CN108646460A CN 108646460 A CN108646460 A CN 108646460A CN 201810657122 A CN201810657122 A CN 201810657122A CN 108646460 A CN108646460 A CN 108646460A
- Authority
- CN
- China
- Prior art keywords
- light
- film
- polarization
- spectro
- film layer
- 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
- 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
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133514—Colour filters
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
- G02B27/283—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising used for beam splitting or combining
- G02B27/285—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising used for beam splitting or combining comprising arrays of elements, e.g. microprisms
-
- 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
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133512—Light shielding layers, e.g. black matrix
-
- 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
- G02F1/133528—Polarisers
-
- 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
- G02F1/133602—Direct backlight
- G02F1/133603—Direct backlight with LEDs
-
- 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
- G02F1/13362—Illuminating devices providing polarized light, e.g. by converting a polarisation component into another one
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Polarising Elements (AREA)
- Liquid Crystal (AREA)
Abstract
The present invention provides a kind of high density pel array device and preparation method thereof for realizing that emergent light polarizes entirely, which is laminated structure, including color membrane filtration photosphere, polarization spectro-film layer and Matrix LED array of source.Polarization spectro-film layer in the structure is prepared using hot press printing technology, is comprised the concrete steps that：Pressing mold is prepared using hard blank first, imprinting moulding is carried out to polymer matrix film again, after solidification, separation pressure die obtains right-angle prism array film layer pattern with imprinting moulding, then one layer of spectro-film is deposited on the inclined-plane of polymeric prisms, it is fitted into the prefabricated same thin film pattern of another coining again, finally to be bonded upper half-wave plate in prism light emission side at interval of a right angle length of side, upper polarizer is bonded in corresponding position.The present invention is realized with polarization characteristic and the matched high density pixel of pixel aperture ratio is shown and its backlight integrated structure, ensure that display effect, while device architecture being made to be thinned, production method also demonstrates the practicality and feasibility.
Description
Technical field
The present invention relates to a kind of high density pel array devices and preparation method thereof for realizing that emergent light polarizes entirely.
Background technology
The development of display technology substantially experienced the development for being divided into for four generations：CRT（Glass kinescope display）As first
For display technology, PDP, LCD are as the second generation, and OLED is as the third generation, and laser is as forth generation.Wherein CRT monitor due to
The reasons such as volume is very large cannot meet us to epoch newer requirement, be gradually distance from people’s lives.Now described in us
Display technology be more just embodied in the FPD that second-generation technology starts（FPD）Technology.Due to FPD（FPD）Device
Have many advantages, such as that light-weight, thickness is thin, small, radiationless, flat panel display has become the side of current display technology development
To.Flat panel display includes mainly：Liquid crystal display（LCD）, organic light emitting diode display（OLED）, light-emitting diode display
Deng.
It is shown to obtain higher density pixel, the one way in which of mainstream technology using growing up recently
LCOS technologies, it be the Reflective liquid crystal displays technology that is combined using MOS device integrated technology and LCD technology on Si chips come
Realize that high density pixel is shown.The resolution ratio of OLED display depends mainly on plane source evaporation shadow mask technique, realizes high density
Pixel is shown.In addition, light emitting diode is in matrix arrangement, and 1mm is smaller than between adjacent LED, this method makes
The pixel density of LED display greatly increases.
Liquid crystal display device includes mainly three parts, i.e. array substrate, color fim filter and backlight.
Liquid crystal display display device is the display device of non-luminescent property, and the work(of display need be can be only achieved by backlight
Energy.The quality of backlight performance images quality in addition to will have a direct impact on LCD, since backlight belongs to illuminated by surface light source, backlight mould
The light that point light source or linear light source are sent out is made area source by group by diffusing reflection, and the high density pixel of liquid crystal display device is opened
Mouth rate is low, causes portion of energy to be lost, and existing high density dot structure all cannot achieve palarization multiplexing, and backlight energy
Loss is apparent.Polarised light can make the display effect of liquid crystal display device more preferable as backlight, but currently as backlight
The palarization multiplexing method of polarized light device not yet develop, and the complexity of traditional structure is unfavorable for being applied to this.Based on this,
This patent proposes a kind of novel high-density array apparatus, before white light is by optical filter, by a kind of polarization spectro-film stratification
In on light source, white light is first decomposed into polarised light using polarization spectro-film layer, realize polarization, have and pixel aperture ratio
The high density pixel matched is shown and its backlight integrated structure, and illustrates its production method, ensure that display effect, while making device
Part structure is thinned.
Invention content
In view of this, the purpose of the present invention is to provide a kind of high density pel array devices realized emergent light and polarized entirely
And preparation method thereof, the color saturation for ensureing liquid crystal display, colour gamut and the efficiency of light energy utilization.
To achieve the above object, the present invention adopts the following technical scheme that：
A kind of high density pel array device realized emergent light and polarized entirely, it is characterised in that：Including the coloured silk being from top to bottom arranged
Membrane filtration photosphere, polarization spectro-film layer and Matrix LED array of source；The coloured silk membrane filtration photosphere includes substrate, black matrix" frame, coloured silk
Color pixel array of structures；The polarization spectro-film layer include high light transmittance polymer isosceles right-angle prism group splitting or integrating light film,
The polarizing film of half-wave plate and period setting；The polymer isosceles right-angle prism group conjunction is made of several pixel units；The picture
Two groups of polarization spectro units that plain unit was arranged by the period and one group of polarizer group at.
Further, the production method of the polarization spectro-film layer, includes the following steps：
Step S1:The press mold that section is isosceles right triangle is made in press mold blank；Using with electron beam lithography, react from
The pressing mold that section is isosceles right triangle is made in pressing mold blank by the methods of sub- lithographic technique or Nanosphere lithography technique, should
The sectional dimension of each isosceles right triangle of pressing mold is equal, and 1 right-angle side is vacated with every 2 one group, every group of interval
Right angled triangle prism is connected to forming array by length according to right-angle side；The inclined-plane of each isosceles right triangle in section
Place plane is parallel to each other in space.The making transparent material of pressing mold blank has stronger hardness, including but not limited to
Si, SiO2, silicon nitride, diamond etc.；
Step S2:It selects transparent polymer material as substrate, with increasing material manufacturing technique on substrate, plates last layer same polymeric
Object film is heated to elastomeric state, then by isosceles right triangle pressing mold according to pressure extrusion polymer thin vertically downward
Film is allowed to immediate set, and forms the film layer that, section opposite with press mold is isosceles right triangle array, finally to it
Carry out the solidification of hot form or light form；Manufacturing process includes spin coating, inkjet printing, curtain coating, evaporation etc.；
Step S3:Using pattern transfer technology, blank pattern is transferred on substrate by pressing mold and film layer separation, is made
At containing by the film layer pattern of isosceles right triangle prism array, the shape of pattern is consistent with mold;In every group of right-angled edge
Polarizing film is arranged in the position that mirror interval is vacated；The preparation method of polarizing film is with the poly- second of high-molecular compound with reticular structure
Enol film is as substrate, then disseminates with strong dichroic iodine, unidirectional after boric acid aqueous solution reduction is stablized, then by it
Stretch 4 ~ 5 times；
Step S4:Mask plate is made, the right-angle side of each isosceles right triangle and polarizing film position are blocked, at two
Pass through the methods of vapor deposition or spin coating one floor height transparency material of attachment on adjacent triangular ramp；
Step S5:Repeat S2, S3 step, the polymer of the good identical array containing right-angle prism of another shape of pre-production
The triangular ramp of two film layer patterns is aligned by film layer pattern, accurate, locked engagement is allowed to together, finally every 2
The light-emitting surface of wherein 1 unit of a polarization spectro unit is bonded half-wave plate, and the size of the half-wave plate needs to cover but be no more than to be somebody's turn to do
The right angle length of side of section triangle.
Further, the Matrix LED array of source include LED lamp bead, board structure and be arranged in LED lamp bead two
Secondary optical element.
Further, the polarization spectro-film layer at least 3 polarised light light-emitting surface do not have the polarization that half-wave plate covers
Spectrophotometric unit light-emitting surface is the first plane of polarization, and it is P light that the emergent light of the first plane of polarization, which is through spectro-film transmission outgoing,；Contain half-wave
The polarization spectro unit light-emitting surface of piece is the second plane of polarization, and emergent light will be reflected through spectro-film by half-wave plate at the second plane of polarization
S light conversion generate P light；Light-emitting surface only at the unit of polarizing film covering is third plane of polarization, the outgoing of third plane of polarization
The P light being just converted into via polarizing film.
Further, every three groups of polarization spectro units setting is at most no more than 2 groups of Matrix LED lamp beads and secondary optics member
Part；When 2 groups of light sources are arranged, one group need to be located at below the polarization spectro unit for having plated spectro-film, and another group is then located at and does not plate
Below the polarization spectro unit of spectro-film.The board structure width of single LED lamp bead is less than or equal to polarization spectro-film layer
2 times of isosceles right triangle right-angle side, incident light source of the Matrix LED as the system, the optical axis center that shines are directed at right angle
Prism centers.The single luminescence chip unit size of Matrix LED is less than secondary optics element bore, again smaller than color membrane filtration photosphere
Pixel wide.The Matrix LED chip can also use Mini-LED chips and Micro-LED chips to substitute, the structure ruler
It is very little to further reduce.The light sources such as the preferred blue light of Matrix LED light source, ultraviolet, centre wavelength be located at 100 nm to 490nm it
Between.
Further, the light-emitting surface of the polarization spectro unit correspondingly covers the optical filter of different base colors, according to red, green, blue
Sequence be successively set on the light-emitting surface of unit, form color membrane filtration photosphere.I.e. each polarization spectro unit forms a sub- picture
Vegetarian refreshments, i.e., a kind of pixel of color in three primary colours, three polarization spectro units form a complete pixel unit group.This
The material of a little color fim filters has high transmittance for the corresponding color wavelength of the sub-pixel, can select quantum dot, fluorescence
Powder, color sensitive glue etc., but not limited to this, in this structure, the light sources such as the preferred blue light of Matrix LED light source, ultraviolet add when necessary
Enter blue subpixels color filter.The material of colored filter can also select coloured glass, colored light blocking material etc., this knot
In structure, the white light broad spectral light source of the preferred covering visible light wave band of Matrix LED light source.
Further, thickness≤3 μm of the color membrane filtration photosphere, thickness≤7 μm of the polarization spectro-film, backlight
Thickness depending on the LED lamp situation actually used.
Further, the manufacture craft of the polymer material prism is not limited to thermal imprint process, can also utilize and squeeze out
Molding and injection molding, make prism array be once molded on substrate；Ultraviolet stamping technique may be used, using pressing mold in substrate
Last time molding, polymer material prism after molding are connected with each other, and form array；
The technological process of ultraviolet stamping is as follows：
The first step will be loaded by the substrate of monomer coats and transparent stamper in alignment machine, and vacuum is fixed in respective chuck,
Start to contact after completing the optical alignment of substrate and pressing mold；
Second step makes the polymer of imprinting area that polymerization and curing molding occur by the uv-exposure of pressing mold；
Third is walked to the 5th step with step S3 to step S5.
Further, along the light direction of propagation, the light that LED dot matrix are sent out will by secondary optics element light harvesting and shaping, two
Secondary optical element can be the reflector that inner surface is coated with reflectance coating, can also be the refractor containing free form surface, light harvesting half
Angle is more than 60 degree, collects LED light energy as far as possible and orients outgoing, the emergent light of secondary optics element is filled with light-emitting surface and photograph
Spend the higher illumination spot of uniformity.
Further, spectro-film takes shape in the inclined-plane of one of two opposing right angles prisms prism through preparing, each
Spectro-film is in 45 ° of angles with substrate surface direction, and each spectro-film spatial position is mutually parallel, it is preferred to use the preparation work of vapor deposition
Skill, flow are as follows：
The first step, ungrease treatment are cleaned with acetone or alcohol；
Second step, surface treatment, Corona discharge Treatment, ultraviolet treatment with irradiation etc.；
Third walks, and bottom-surface coated/cure process is sprayed using spray gun；
4th step, vacuum evaporation process, evaporation metal are aluminium, gold etc.；
5th step, surface coating/cure process need to implement surface coating process or excessive coating.
Further, the high grade of transparency material making material includes but not limited to zinc sulphide, silica, titanium dioxide
Titanium, Ta2O5.
The present invention has the advantages that compared with prior art：
The novel high-density array apparatus of the present invention is realized with polarization characteristic and the matched high density pixel of pixel aperture ratio
Display and its backlight integrated structure, ensure that display effect, while device architecture being made to be thinned, production method also demonstrates it
Practicability and feasibility.
Description of the drawings
Fig. 1 is the structural schematic diagram for the high density pel array device that the present invention realizes that emergent light polarizes entirely；
Fig. 2 is the pressing mold schematic diagram that the present invention makes high light transmittance polymer right-angle prism array；
Fig. 3 is the polymer right-angle prism constitutional diagram of the high light transmittance imprinted out in one embodiment of the invention；
Fig. 4 is that one embodiment of the invention is prized the schematic diagram of membrane filtration photosphere；
Fig. 5 is the schematic diagram of polarization spectro-film layer in one embodiment of the invention；
Fig. 6 is the structural schematic diagram of straight-down negative Matrix LED backlight in one embodiment of the invention；
Fig. 7 is that light path moves towards figure in right-angle prism array in one embodiment of the invention；
Fig. 8 is light path in one embodiment of the invention in the structural system for the high density pel array device that emergent light polarizes entirely
Move towards figure；
Fig. 9 is the high light transmittance polymer right-angle prism constitutional diagram that substrate has been bonded in one embodiment of the invention；
Figure 10 shows to be bonded the high density pel array apparatus structure that the emergent light of substrate polarizes entirely in one embodiment of the invention
It is intended to；
Figure 11 is the schematic diagram for the polarization spectro-film layer that substrate has been bonded in one embodiment of the invention；
Figure 12 is the pressing mold schematic diagram for making the high light transmittance polymer right-angle prism array for saving prism array；
The high light transmittance polymer right-angle prism constitutional diagram imprinted out in Figure 13 one embodiment of the invention；
Figure 14 realizes the high density pel array dress for realizing that the emergent light for saving prism array polarizes entirely in one embodiment of the invention
The structural schematic diagram set；
The schematic diagram of the polarization spectro-film layer of prism array is saved in Figure 15 one embodiment of the invention；
Figure 16 is the process flow chart for the polarization spectro-film that prism array is saved in one embodiment of the invention；
Reference sign therein：
1- coloured silk membrane filtration photospheres；10- black matrix" frames；11- red quantum dot films；12- green quantum dot films；13- colour film substrates；2-
Polarization spectro-film layer；20- substrates；The polymer right-angle prism array of 21- high light transmittances；22- spectro-films；23- half-wave plates；
The incidence surface of 24- polarization spectro-film layers；The light-emitting surface of 25- polarization spectro-film layers；26- polarizing films；3- straight-down negative Matrix LEDs
Backlight；30- board structures；31-LED lamp beads；32- secondary optics elements；4- source lights；5-S light；6-P light；7- first is pressed
Mould；The second pressing molds of 8-.
Specific implementation mode
The present invention will be further described with reference to the accompanying drawings and embodiments.
Fig. 1 is please referred to, the present invention provides a kind of high density pel array device that emergent light polarizes entirely, it is characterised in that：
Including including from top to bottom color membrane filtration photosphere, polarization spectro-film layer and Matrix LED array of source；
The coloured silk membrane filtration photosphere includes substrate, black matrix" frame, color pixel structure array；The polarization spectro-film layer includes
The polymer isosceles right-angle prism group splitting or integrating light film of high light transmittance, the polarizing film of half-wave plate and period setting；Described polymer etc.
The combination of waist right-angle prism is made of several pixel units；Two groups of polarization spectro units and one that the pixel unit is arranged by the period
Group polarizer group at.
In an embodiment of the present invention, further, the production method of the polarization spectro-film layer, including following step
Suddenly：
Step S1:The press mold that section is isosceles right triangle is made in press mold blank；Using with electron beam lithography, react from
The pressing mold that section is isosceles right triangle is made in pressing mold blank by the methods of sub- lithographic technique or Nanosphere lithography technique, should
The sectional dimension of each isosceles right triangle of pressing mold is equal, and 1 right-angle side is vacated with every 2 one group, every group of interval
Right angled triangle prism is connected to forming array by length according to right-angle side；The inclined-plane of each isosceles right triangle in section
Place plane is parallel to each other in space.The making transparent material of pressing mold blank has stronger hardness, including but not limited to
Si, SiO2, silicon nitride, diamond etc.；
Step S2:It selects transparent polymer material as substrate, with increasing material manufacturing technique on substrate, plates last layer same polymeric
Object film is heated to elastomeric state, then by isosceles right triangle pressing mold according to pressure extrusion polymer thin vertically downward
Film is allowed to immediate set, and forms the film layer that, section opposite with press mold is isosceles right triangle array, finally to it
Carry out the solidification of hot form or light form；Manufacturing process includes spin coating, inkjet printing, curtain coating, evaporation etc.；
Step S3:Using pattern transfer technology, blank pattern is transferred on substrate by pressing mold and film layer separation, is made
At containing by the film layer pattern of isosceles right triangle prism array, the shape of pattern is consistent with mold；In every group of right-angled edge
Polarizing film is arranged in the position that mirror interval is vacated；The preparation method of polarizing film is with the poly- second of high-molecular compound with reticular structure
Enol film is as substrate, then disseminates with strong dichroic iodine, unidirectional after boric acid aqueous solution reduction is stablized, then by it
Stretch 4 ~ 5 times；
Step S4:Mask plate is made, the right-angle side of each isosceles right triangle and polarizing film position are blocked, at two
Pass through the methods of vapor deposition or spin coating one floor height transparency material of attachment on adjacent triangular ramp；
Step S5:Repeat S2, S3 step, the polymer of the good identical array containing right-angle prism of another shape of pre-production
The triangular ramp of two film layer patterns is aligned by film layer pattern, accurate, locked engagement is allowed to together, finally every 2
The light-emitting surface of wherein 1 unit of a polarization spectro unit is bonded half-wave plate, and the size of the half-wave plate needs to cover but be no more than to be somebody's turn to do
The right angle length of side of section triangle.
In an embodiment of the present invention, further, the Matrix LED array of source include LED lamp bead, board structure and
The secondary optics element being arranged in LED lamp bead.
In an embodiment of the present invention, further, the polarization spectro-film layer at least 3 polarised light light-emitting surface,
It is the first plane of polarization not have the polarization spectro unit light-emitting surface that half-wave plate covers, and the emergent light of the first plane of polarization is saturating through spectro-film
Injection is penetrated as P light；Polarization spectro unit light-emitting surface containing half-wave plate is the second plane of polarization, at the second plane of polarization emergent light be by
The S light reflected through spectro-film is converted and generates P light by half-wave plate；Light-emitting surface only at the unit of polarizing film covering is third polarization
The emergent light in face, third plane of polarization is the P light being converted into via polarizing film.
In an embodiment of the present invention, further, every three groups of polarization spectro units setting is at most no more than 2 groups of dot matrix
LED lamp bead and secondary optics element；When 2 groups of light sources are arranged, one group need to be located under the polarization spectro unit for having plated spectro-film
Side, another group is then located at below the polarization spectro unit for not plating spectro-film.The board structure width of single LED lamp bead is less than or waits
In 2 times of the isosceles right triangle right-angle side of polarization spectro-film layer, incident light source of the Matrix LED as the system is sent out
Light optical axis center is directed at right-angle prism center.The single luminescence chip unit size of Matrix LED is less than secondary optics element bore,
Again smaller than color membrane filtration photosphere sub-pixel width.The Matrix LED chip can also use Mini-LED chips and Micro-LED cores
Piece substitutes, and the structure size can further reduce.The light sources such as the preferred blue light of Matrix LED light source, ultraviolet, centre wavelength are located at
100 nm are between 490nm.
In an embodiment of the present invention, further, the light-emitting surface of the polarization spectro unit correspondingly covers different base colors
Optical filter is successively set on the light-emitting surface of unit according to the sequence of red, green, blue, forms color membrane filtration photosphere.That is each polarization point
Light unit forms a sub- pixel, i.e., a kind of pixel of color in three primary colours, and three polarization spectro units form one
Complete pixel unit group.The material of these color fim filters has high transmittance for the corresponding color wavelength of the sub-pixel,
Quantum dot, fluorescent powder, color sensitive glue etc. can be selected, but not limited to this, in this structure, the preferred blue light of Matrix LED light source,
Ultraviolet equal light sources, are added blue subpixels color filter when necessary.The material of colored filter can also select coloured glass, coloured silk
Color blocking luminescent material etc., in this structure, the white light broad spectral light source of the preferred covering visible light wave band of Matrix LED light source.
In an embodiment of the present invention, further, thickness≤3 μm of the color membrane filtration photosphere, the polarization spectro are thin
Thickness≤7 μm of film, the thickness of backlight is depending on the LED lamp situation actually used.
In an embodiment of the present invention, further, the manufacture craft of the polymer material prism is not limited to hot padding
Technique can also utilize extrusion molding and injection molding, prism array is made once to be molded on substrate；Ultraviolet stamping may be used
Technique is once molded using pressing mold on substrate, and polymer material prism after molding is connected with each other, and forms array；
The technological process of ultraviolet stamping is as follows：
The first step will be loaded by the substrate of monomer coats and transparent stamper in alignment machine, and vacuum is fixed in respective chuck,
Start to contact after completing the optical alignment of substrate and pressing mold；
Second step makes the polymer of imprinting area that polymerization and curing molding occur by the uv-exposure of pressing mold；
Third is walked to the 5th step with step S3 to step S5.
Further, along the light direction of propagation, the light that LED dot matrix are sent out will by secondary optics element light harvesting and shaping, two
Secondary optical element can be the reflector that inner surface is coated with reflectance coating, can also be the refractor containing free form surface, light harvesting half
Angle is more than 60 degree, collects LED light energy as far as possible and orients outgoing, the emergent light of secondary optics element is filled with light-emitting surface and photograph
Spend the higher illumination spot of uniformity.
In an embodiment of the present invention, further, spectro-film takes shape in two opposing right angles prisms wherein through preparing
The inclined-plane of one prism, each spectro-film are in 45 ° of angles with substrate surface direction, and each spectro-film spatial position is mutually parallel,
It is preferred that using the preparation process of vapor deposition, flow is as follows：
The first step, ungrease treatment are cleaned with acetone or alcohol；
Second step, surface treatment, Corona discharge Treatment, ultraviolet treatment with irradiation etc.；
Third walks, and bottom-surface coated/cure process is sprayed using spray gun；
4th step, vacuum evaporation process, evaporation metal are aluminium, gold etc.；
5th step, surface coating/cure process need to implement surface coating process or excessive coating.
Further, the high grade of transparency material making material includes but not limited to zinc sulphide, silica, titanium dioxide
Titanium, Ta2O5.
In order to allow those skilled in the art to be better understood from technical scheme of the present invention, the present invention is carried out below in conjunction with attached drawing
It is discussed in detail.
Embodiment 1
Fig. 1 shows the structure for the high density pel array device that this realization emergent light polarizes entirely, including：Color membrane filtration photosphere 1,
Polarization spectro-film layer 2 and the straight-down negative Matrix LED backlight 3 under polarization spectro-film layer.Shown in Fig. 1
In one initial configuration, the structure of color membrane filtration photosphere 1 is as shown in figure 4, the structure of straight-down negative Matrix LED backlight 3 is as shown in Figure 6；
The structure of polarization spectro-film layer 2 as shown in figure 5, polarization spectro-film layer 2 by high light transmittance polymer right-angle prism array
21, spectro-film 22, half-wave plate 23 and polarizing film 26 are constituted.The polymer right-angle prism array 21 of polarization spectro-film layer can be with
It is made of the polymer material of light transmission, since backlight uses blue-ray LED, it requires polymer material to wavelength in 380-
Light penetration >=90% between 480nm, material can be for example poly- base methyl acrylate of polymer material, polyacrylate, gather
Urethane, organic siliconresin, polystyrene, styrene acrylonitrile copolymer, poly- methyl are different to defend diene, transparent polyamide.High light transmission
The polymer material prism of property is a kind of solid-state light-transmitting materials.Its shape is by two prisms（Polymer right-angle prism）It is embedding
Square made of conjunction.Thickness is adjusted as needed.It can be made by hot padding.Process flow chart is as shown in figure 16, tool
Body implementation steps are as follows：
It is prepared by the first step, pressing mold.It, will with the methods of electron beam lithography, reactive ion etching technology or Nanosphere lithography technique
The pressing mold 7 that section as shown in Figure 2 is isosceles right triangle, each isosceles right angle trigonometry of the pressing mold 7 is made in pressing mold blank
The sectional dimension of shape is equal, and the length of 1 right-angle side is vacated with every 2 one group, every group of interval, by right angled triangle prism
Connect to forming array according to right-angle side, plane where the inclined-plane of each isosceles right triangle is mutually equal in space in section
Row.Pressing mold blank generally use Si, SiO2, the materials such as silicon nitride, diamond are made.These materials have many excellent property
Matter：High Knoop hardness, big compressive strength, big tensile strength can reduce the deformation and abrasion of pressing mold；High heat conductance and low-heat are swollen
Swollen coefficient so that the thermal deformation very little of pressing mold during heating.In addition, the coining making repeated can pollute pressing mold, need to use
Strong acid and organic solvent clean pressing mold, this requires making the material of pressing mold are erosion-resisting inert materials.
Second step, imprinting moulding.Select transparent polymer material as substrate, with increasing material manufacturing technique, packet on substrate
Include spin coating, inkjet printing, curtain coating, evaporation etc., plate last layer same polymer film, put it into marking press be heated to it is high-elastic
State, polymeric substrates are heated to its glass transition temperature or more, reduce the viscosity of the polymeric substrates in mold process, increase
Mobility.Again by right angled triangle pressing mold 7 made of the first step according to pressure extrusion thin polymer film vertically downward, certain
Under pressure, make its immediate set（But temperature too it is high also need not because clamping cycle can be increased in this way, and to compression-molded structures
It is not obviously improved, or even polymer can be made to be bent and cause mold impaired）.And it is isosceles to form, section opposite with pressing mold 7
The film layer of right angled triangle array.Temperature is reduced near polymer solidification point again.Hot form or light finally are carried out to it
The solidification of form.
Third walks, and pattern transfer and polarizing film make.Using the pattern transfers technology such as etching, stripping, vibration, by pressing mold with
Blank pattern is transferred on substrate by film layer separation, be fabricated to the film layer pattern of the array containing right-angle prism, pattern
Shape is consistent with mold.It is placed in polarizing film in the position that every group of right-angle prism interval is vacated, the preparation method of polarizing film is apparatus
There is the macromolecular compound polyvinyl alcohol film of reticular structure as substrate, then disseminates with strong dichroic iodine, through boron
After aqueous acid reduction is stablized, then by 4 ~ 5 times of its simple tension.
4th step is divided film preparation.Make mask plate, the right-angle side of each isosceles right triangle is blocked, this three
By the methods of vapor deposition or spin coating one layer of spectro-film of attachment on angular inclined-plane, as shown in Figure 3.The material of spectro-film has high transparency
Degree, including but not limited to zinc sulphide, silica, titanium dioxide, Ta2O5 etc..
5th step, section body are fitted into.Second, third step is repeated, another good shape of pre-production is identical
The triangular ramp of two film layer patterns is aligned, is allowed to accurate, firm by the thin polymer film layer pattern of the array containing right-angle prism
Admittedly being entrenched togather, finally half-wave plate, the half-wave plate are bonded in the light-emitting surface of wherein 1 unit of every 2 polarization spectro units
Size need covering but no more than the section triangle the right angle length of side.
Embodiment 2
Figure 10 shows the structural representation for the high density pel array device that this realization emergent light for being bonded substrate polarizes entirely
Figure, including：Color membrane filtration photosphere 1, polarization spectro-film layer 2 and the straight-down negative Matrix LED back of the body under polarization spectro-film layer
Light source 3.First initial configuration as shown in fig. 10 prize membrane filtration photosphere 1 structure as shown in figure 4, straight-down negative Matrix LED carry on the back
The structure of light source 3 is as shown in Figure 6；The structure of polarization spectro-film layer 2 is as shown in figure 11, polarization spectro-film layer 2 by substrate 20,
The polymer right-angle prism array 21 of high light transmittance, spectro-film 22, half-wave plate 23 and polarizing film 26 are constituted.Polarization spectro-film
The polymer right-angle prism array 21 of the high light transmittance of layer can be made of the polymer material of light transmission, since backlight is using blue
Light LED it requires that light penetration >=90% of the polymer material to wavelength between 380-480nm, material can be polymerizations
For example poly- base methyl acrylate of object material, polyacrylate, polyurethane, organic siliconresin, polystyrene, styrene-acrylonitrile copolymerization
Object, poly- methyl are different to defend diene, transparent polyamide.Polymer material prism is a kind of solid-state light-transmitting materials.Its shape is by two
Square made of a prism is chimeric, then it is bonded a laminar substrate respectively.Thickness is adjusted as needed.It can pass through hot padding
It is made.Process flow chart is as shown in figure 16, and specific implementation step is as follows：
The first step, prepared by pressing mold, with the first step of embodiment 1；
Second step, moulding process, with the second step of embodiment 1；
Third walks, and pattern transfer and polarizing film make, and the third with embodiment 1 walks；
4th step is divided film preparation, with the 4th step of embodiment 1；
5th step mutually bonds the polymer right-angle prism array that coining obtains with substrate.First in the upper table of rectangular structure base board
A layer of adhesive is coated in face, and then the bottom surface of the polymer material prism imprinted before is fitly mutually glued with rectangular structure base board
It is combined.As shown in Figure 9.
6th step carries out polarization spectro-film layer preparation.Repeat second, third, the 5th step, make another complete phase
Same thin polymer film layer pattern, the triangular ramp of two film layer patterns is opposite, it is allowed to securely accurately be entrenched in one
It rises, forms a polymer right-angle prism combination, finally in the light emission side of polymer right-angle prism combination at interval of one three
The angular right angle length of side, half-wave plate in fitting, the size of the half-wave plate need to cover but no more than right side of the triangles.
Embodiment 3
Fig. 1 shows the structure for the high density pel array device that this emergent light polarizes entirely, including：Color membrane filtration photosphere 1, polarization
Pellicle layer 2 and the straight-down negative Matrix LED backlight 3 under polarization spectro-film layer.At the beginning of shown in Fig. 1 first
In beginning structure, the structure of color membrane filtration photosphere 1 is as shown in figure 4, the structure of straight-down negative Matrix LED backlight 3 is as shown in Figure 6；Polarization
The structure of pellicle layer 2 as shown in figure 5, polarization spectro answers polymer right-angle prism array 21 of the film layer 2 by high light transmittance,
Spectro-film 22, half-wave plate 23 and polarizing film 26 are constituted.The polymer right-angle prism array 21 of polarization spectro-film layer can be by
The polymer material of light transmission is made, and since backlight uses blue-ray LED, it requires polymer material to wavelength in 380-
Light penetration >=90% between 480nm, material can be for example poly- base methyl acrylate of polymer material, polyacrylate, gather
Urethane, organic siliconresin, polystyrene, styrene acrylonitrile copolymer, poly- methyl are different to defend diene, transparent polyamide.High light transmission
The polymer material prism of property is a kind of solid-state light-transmitting materials.Its shape is by two prisms（Polymer right-angle prism）It is embedding
Square made of conjunction.Thickness is adjusted as needed.It can be made by ultraviolet stamping.Process flow chart is as shown in figure 16,
Specific implementation step is as follows：
The technological process of ultraviolet stamping is as follows：
The first step will be loaded by the substrate of monomer coats and transparent stamper 7 in alignment machine, and vacuum is fixed on respective chuck
In, start to contact after completing the optical alignment of substrate and pressing mold 7；
Second step makes the polymer of imprinting area that polymerization and curing molding occur by the uv-exposure of pressing mold 7；
Third is walked to the technique of the 5th step and is walked to the 5th step with the third of embodiment 1.
Embodiment 4
Figure 14 shows the structure for the high density pel array device that this emergent light for saving prism array polarizes entirely, including：
Color membrane filtration photosphere 1, polarization spectro-film layer 2 and the straight-down negative Matrix LED backlight 3 under polarization spectro-film layer.
In first initial configuration shown in Figure 14, the structure of color membrane filtration photosphere 1 is as shown in figure 4, straight-down negative Matrix LED backlight 3
Structure is as shown in Figure 6；The structure for saving the polarization spectro-film layer 2 of prism array is as shown in figure 15, polarization spectro-film layer 2
By the polymer right-angle prism array 21 of high light transmittance, spectro-film 22, half-wave plate 23 and polarizing film 26 are constituted.Polarization spectro is thin
The polymer right-angle prism array 21 of film layer can be made of the polymer material of light transmission, since backlight uses blue-ray LED, institute
To require light penetration >=90% of the polymer material to wavelength between 380-480nm, material can be polymer material such as
Poly- base methyl acrylate, polyacrylate, polyurethane, organic siliconresin, polystyrene, styrene acrylonitrile copolymer, poly- first
Base is different to defend diene, transparent polyamide.The polymer material prism of high light transmittance is a kind of solid-state light-transmitting materials.Its shape be by
Two prisms（Polymer right-angle prism）Square made of chimeric.Thickness is adjusted as needed.It can pass through hot padding
It is made.Process flow chart is as shown in figure 16, and specific implementation step is as follows：
It is prepared by the first step, pressing mold.It is to be inserted into two isosceles right triangles at interval of an empty position that section, which is made, in pressing mold blank
Pressing mold 8, as shown in figure 12, other parts are similar with embodiment 1.
Second step, moulding process, with the similar of embodiment 1；
Third walks, and pattern transfer and polarizing film make with the similar of embodiment 1；
4th step is divided film preparation, and if Figure 13 shows, process is similar with embodiment 1；
It is prepared by the 5th step, polarization spectro-film layer.In the light-emitting surface of not polymeric prisms and the light extraction on this light-emitting surface left side
Half-wave plate is bonded on face, the size of the half-wave plate needs covering but the right angle length of side no more than section triangle.Other parts are same
Embodiment 1 it is similar.
The foregoing is merely presently preferred embodiments of the present invention, all equivalent changes done according to scope of the present invention patent with
Modification should all belong to the covering scope of the present invention.
Claims (10)
1. a kind of high density pel array device realized emergent light and polarized entirely, it is characterised in that：Including what is be from top to bottom arranged
Color membrane filtration photosphere, polarization spectro-film layer and Matrix LED array of source；
The coloured silk membrane filtration photosphere includes substrate, black matrix" frame, color pixel structure array；The polarization spectro-film layer includes
The polymer isosceles right-angle prism group splitting or integrating light film of high light transmittance, the polarizing film of half-wave plate and period setting；Described polymer etc.
The combination of waist right-angle prism is made of several pixel units；Two groups of polarization spectro units and one that the pixel unit is arranged by the period
Group polarizer group at.
2. a kind of production method for realizing high density pel array device that emergent light polarizes entirely according to claim 1,
It is characterized in that：The production method of the polarization spectro-film layer, includes the following steps：
Step S1:The press mold that section is isosceles right triangle is made in press mold blank；
Step S2:It selects transparent polymer material as substrate, with increasing material manufacturing technique on substrate, plates last layer same polymeric
Object film is heated to elastomeric state, then by isosceles right triangle pressing mold according to pressure extrusion polymer thin vertically downward
Film is allowed to immediate set, and forms the film layer that, section opposite with press mold is isosceles right triangle array, finally to it
Carry out the solidification of hot form or light form；
Step S3:Using pattern transfer technology, blank pattern is transferred on substrate by pressing mold and film layer separation, is made
At the film layer pattern of the array containing right-angle prism, the shape of pattern is consistent with mold;It is vacated at every group of right-angle prism interval
Polarizing film is arranged in position；
Step S4:Mask plate is made, the right-angle side of each isosceles right triangle and polarizing film position are blocked, at two
Pass through the methods of vapor deposition or spin coating one floor height transparency material of attachment on adjacent triangular ramp；
Step S5:Repeat S2, S3 step, the polymer of the good identical array containing right-angle prism of another shape of pre-production
The triangular ramp of two film layer patterns is aligned by film layer pattern, accurate, locked engagement is allowed to together, finally every 2
The light-emitting surface of wherein 1 unit of a polarization spectro unit is bonded half-wave plate, and the size of the half-wave plate needs to cover but be no more than to be somebody's turn to do
The right angle length of side of section triangle.
3. a kind of high density pel array device realized emergent light and polarized entirely according to claim 1, it is characterised in that：
The Matrix LED array of source includes LED lamp bead, board structure and the secondary optics element being arranged in LED lamp bead.
4. a kind of production method for realizing high density pel array device that emergent light polarizes entirely according to claim 2,
It is characterized in that：The polarization spectro-film layer at least 3 polarised light light-emitting surface do not have the polarization spectro list that half-wave plate covers
First light-emitting surface is the first plane of polarization, and it is P light that the emergent light of the first plane of polarization, which is through spectro-film transmission outgoing,；Contain the inclined of half-wave plate
The spectrophotometric unit light-emitting surface that shakes is the second plane of polarization, and emergent light is the S light that will be reflected through spectro-film by half-wave plate at the second plane of polarization
Conversion generates P light；Light-emitting surface only at the unit of polarizing film covering is third plane of polarization, the emergent light of third plane of polarization be through
The P light being converted by polarizing film.
5. a kind of high density pel array device realized emergent light and polarized entirely according to claim 3, it is characterised in that：
Every three groups of polarization spectro units setting is no more than 2 groups of Matrix LED lamp beads and secondary optics element；When 2 groups of light sources are arranged, one group
It need to be located at below the polarization spectro unit for having plated spectro-film, another group is then located under the polarization spectro unit for not plating spectro-film
Side.
6. a kind of production method for realizing high density pel array device that emergent light polarizes entirely according to claim 2,
It is characterized in that：The light-emitting surface of the polarization spectro unit correspondingly covers the optical filter of different base colors, according to red, green, blue
Sequence is successively set on the light-emitting surface of unit, forms color membrane filtration photosphere.
7. a kind of production method for realizing high density pel array device that emergent light polarizes entirely according to claim 2,
It is characterized in that：Thickness≤3 μm of color membrane filtration photosphere, thickness≤7 μm of polarization spectro-film.
8. a kind of production method for realizing high density pel array device that emergent light polarizes entirely according to claim 2,
It is characterized in that：The preparation method of the polarizing film be use the macromolecular compound polyvinyl alcohol film with reticular structure as
Substrate, then disseminate with strong dichroic iodine, after boric acid aqueous solution reduction is stablized, then by 4 ~ 5 times of its simple tension.
9. a kind of production method for realizing high density pel array device that emergent light polarizes entirely according to claim 2,
It is characterized in that：The making material of the pressing mold blank includes but not limited to Si, SiO2, silicon nitride, diamond.
10. a kind of production method for realizing high density pel array device that emergent light polarizes entirely according to claim 2,
It is characterized in that：The high grade of transparency material making material includes but not limited to zinc sulphide, silica, titanium dioxide,
Ta2O5。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810657122.6A CN108646460B (en) | 2018-06-25 | 2018-06-25 | High-density pixel array device for realizing emergent light full polarization and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810657122.6A CN108646460B (en) | 2018-06-25 | 2018-06-25 | High-density pixel array device for realizing emergent light full polarization and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108646460A true CN108646460A (en) | 2018-10-12 |
| CN108646460B CN108646460B (en) | 2020-09-01 |
Family
ID=63753191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810657122.6A Active CN108646460B (en) | 2018-06-25 | 2018-06-25 | High-density pixel array device for realizing emergent light full polarization and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108646460B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110208983A (en) * | 2019-05-08 | 2019-09-06 | 苏州晶智科技有限公司 | A kind of side entrance back module |
| CN111381376A (en) * | 2018-12-27 | 2020-07-07 | Jvc建伍株式会社 | Display device |
| CN114940015A (en) * | 2022-05-07 | 2022-08-26 | 宁波维真显示科技股份有限公司 | Flexible 3DLED and preparation device and preparation method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070046897A1 (en) * | 2005-08-24 | 2007-03-01 | Samsung Electronics Co., Ltd. | Polarization converting system, method of manufacturing the same and liquid crystal display using the same |
| CN202008552U (en) * | 2011-03-30 | 2011-10-12 | 京东方科技集团股份有限公司 | Polarizer and liquid crystal display adopting same |
| CN202947082U (en) * | 2012-11-16 | 2013-05-22 | 北京京东方光电科技有限公司 | Collimation system, backlight source and displaying device |
| CN103925523A (en) * | 2014-04-02 | 2014-07-16 | 京东方科技集团股份有限公司 | Backlight module and display device |
| US20150153503A1 (en) * | 2013-11-29 | 2015-06-04 | Innolux Corporation | Backlight module and transparent display device comprising the same |
| CN205299279U (en) * | 2016-01-22 | 2016-06-08 | 京东方科技集团股份有限公司 | Backlight module and display device |
| CN106773255A (en) * | 2017-01-03 | 2017-05-31 | 京东方科技集团股份有限公司 | Display panel and display device |
| JP2018004673A (en) * | 2016-06-27 | 2018-01-11 | 日本精機株式会社 | Illumination device |
-
2018
- 2018-06-25 CN CN201810657122.6A patent/CN108646460B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070046897A1 (en) * | 2005-08-24 | 2007-03-01 | Samsung Electronics Co., Ltd. | Polarization converting system, method of manufacturing the same and liquid crystal display using the same |
| CN202008552U (en) * | 2011-03-30 | 2011-10-12 | 京东方科技集团股份有限公司 | Polarizer and liquid crystal display adopting same |
| CN202947082U (en) * | 2012-11-16 | 2013-05-22 | 北京京东方光电科技有限公司 | Collimation system, backlight source and displaying device |
| US20150153503A1 (en) * | 2013-11-29 | 2015-06-04 | Innolux Corporation | Backlight module and transparent display device comprising the same |
| CN103925523A (en) * | 2014-04-02 | 2014-07-16 | 京东方科技集团股份有限公司 | Backlight module and display device |
| CN205299279U (en) * | 2016-01-22 | 2016-06-08 | 京东方科技集团股份有限公司 | Backlight module and display device |
| JP2018004673A (en) * | 2016-06-27 | 2018-01-11 | 日本精機株式会社 | Illumination device |
| CN106773255A (en) * | 2017-01-03 | 2017-05-31 | 京东方科技集团股份有限公司 | Display panel and display device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111381376A (en) * | 2018-12-27 | 2020-07-07 | Jvc建伍株式会社 | Display device |
| CN110208983A (en) * | 2019-05-08 | 2019-09-06 | 苏州晶智科技有限公司 | A kind of side entrance back module |
| CN114940015A (en) * | 2022-05-07 | 2022-08-26 | 宁波维真显示科技股份有限公司 | Flexible 3DLED and preparation device and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108646460B (en) | 2020-09-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108646460A (en) | Realize the high density pel array device and preparation method thereof that emergent light polarizes entirely | |
| US6880948B2 (en) | Illuminant and method | |
| CN100446287C (en) | Light emitting device, method of manufacturing light emitting device, and image display device | |
| CN105140376B (en) | Phosphor powder layer, device and respective sources and optical projection system and corresponding production method | |
| CN109891150A (en) | Micro-structural and patterned light guide plate and the equipment including the light guide plate | |
| CN109312909A (en) | Micro-structural light guide plate and the device comprising the light guide plate | |
| TW202014769A (en) | Display panel and manufacturing method thereof | |
| CN108873470A (en) | A kind of quantum stippling film backing structure | |
| CN110190096A (en) | Display panel and preparation method thereof | |
| CN114384725A (en) | Quantum dot composite film and preparation method thereof | |
| CN114114500A (en) | Polarization-maintaining optical film, polarization-maintaining diffusion film and double-sided fog polarization-maintaining diffusion film | |
| CN114114499A (en) | Polarization-maintaining optical film, polarization-maintaining diffusion film and double-sided fog polarization-maintaining diffusion film | |
| CN111650678A (en) | High-brightness quantum dot film | |
| US10943956B2 (en) | Display panel and manufacturing method thereof | |
| CN108646423B (en) | Polarization splitting multiplexing film manufacturing method and multiplexing type backlight source using same | |
| CN108919559A (en) | A kind of integrated high density pixel of polymer array multicomponent is shown and backlight module | |
| KR20050079384A (en) | Trans-reflecting sheet for liquid crystal display and fabrication method for the same | |
| CN211627867U (en) | Straight following formula glass diffuser plate | |
| JPH08327986A (en) | Production of microlens substrate and liquid crystal display device element using microlens substrate | |
| CN109471208A (en) | A kind of optical thin film, mold and electronic equipment cover board | |
| KR102236357B1 (en) | Method of manufacturing micro lens array having color change function | |
| CN110927845A (en) | Straight following formula glass diffuser plate | |
| CN112652641A (en) | Light source assembly, preparation method thereof and display device | |
| JPH0667178A (en) | Liquid crystal display device | |
| CN206906756U (en) | Light controllable type quantum dot backlight |
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 |