CN106908995A - A kind of field sequence LCD device and projecting apparatus of use quanta point material - Google Patents
A kind of field sequence LCD device and projecting apparatus of use quanta point material Download PDFInfo
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- CN106908995A CN106908995A CN201710197254.0A CN201710197254A CN106908995A CN 106908995 A CN106908995 A CN 106908995A CN 201710197254 A CN201710197254 A CN 201710197254A CN 106908995 A CN106908995 A CN 106908995A
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- light
- quantum dot
- colour wheel
- lcd device
- field sequence
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- 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
-
- 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
- G02F1/133621—Illuminating devices providing coloured light
-
- 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
-
- 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
- G02F1/133621—Illuminating devices providing coloured light
- G02F1/133622—Colour sequential illumination
Abstract
A kind of field sequence LCD device and projecting apparatus of use quanta point material, are related to liquid crystal display and porjector technology field.Solve traditional Liquiid crystal on silicon (lcos) display construction more complicated, and high expensive, include excitation source, quantum dot colour wheel, LCDs, control system, mechanical rotation device and display data buffer；The side to light of described quantum dot colour wheel is divided has three respectively alternately to the fan section of LCDs transmission blue light, feux rouges and green glow；Wherein, to be respectively equipped with red sector and green glow fan section and inspired the red light quantum point layer of feux rouges by the excitation source and be inspired by the excitation source green light quantum point layer of green glow.Using the Color Conversion principle and the quick response feature of blue phase liquid crystal of quantum dot film, a kind of new field sequence LCD device is proposed, improve the efficiency of light energy utilization, compare traditional LC oS displays, simplify light supply apparatus, reduce the cost of display.
Description
Technical field
The present invention relates to liquid crystal display and porjector technology field.
Background technology
Because response speed is limited, what is generally used is spacing color mixed principle, luminous energy profit to current main-stream liquid crystal display
It is relatively low with rate, and each display pixel needs three sub-pixel synthesis displays, causes the spatial resolution of display relatively low.Silicon
Base fluid crystal display（LCoS）Although employing the principle that a sequence scans colour mixture, redgreenblue arbitrary source is generally required simultaneously
By an optical mixer, this optical mixer process technology requirement Liquiid crystal on silicon (lcos) display construction higher therefore traditional compared with
Complexity, and high expensive.
DLP is current conventional projection display technique, but mechanical stability is not enough, and its precision digital optical device is vulnerable to
Vibration influence.
The content of the invention
In sum, it is more complicated it is an object of the invention to solve traditional Liquiid crystal on silicon (lcos) display construction, and cost
It is higher, and the not enough technical problem of current projector mechanical stability, and propose a kind of field sequence liquid of use quanta point material
Crystal display and projecting apparatus.
Be to solve technical problem proposed by the invention, the technical scheme for using for：
A kind of field sequence LCD device of use quanta point material, it is characterised in that the liquid crystal display includes exciting light
Source, quantum dot colour wheel, LCDs, control system, mechanical rotation device and display data buffer；Described excitation source
Located at the side to light direction of quantum dot colour wheel, LCDs is located at the exiting surface direction of quantum dot colour wheel；Described machinery turns
Dynamic device drives the rotation of quantum dot colour wheel, and control system connects the excitation source and mechanical rotation device described in control, institute respectively
State control system and be also shown data buffer connection control LCDs pixel light extraction；
The side to light of described quantum dot colour wheel is divided has three respectively alternately to LCDs transmission blue light, feux rouges and green glow
Fan section；Wherein, it is respectively equipped with red sector and green glow fan section and is inspired the red of feux rouges by the excitation source
Light quanta point layer and by the excitation source inspired green glow green light quantum point layer.
Described excitation source is blue light source, is transparent material on the blue light fan section of described quantum dot colour wheel.
Described excitation source is non-blue light source, to be provided with by described on the blue light fan section of described quantum dot colour wheel
The blue light quantum point for the inspiring blue light layer of excitation source.
Described red light quantum point layer, green light quantum point layer and blue light quantum point layer are formed by way of plated film or pad pasting
In on the side to light of described quantum dot colour wheel.
Described LCDs is blue phase liquid crystal display screen.
Described LCDs is LCoS display screens, is provided with quantum dot color between LCoS display screens and quantum dot colour wheel
Wheel light extraction is converted to the polarized light separation sheet of polarised light directive LCoS display screens.
The display data point frame of red, green, blue three of described control system control LCDs is alternately input into, and and quantum
The feux rouges of point colour wheel, green glow are corresponding with the fan section outgoing phototiming of blue light.
A kind of projector apparatus, the light extraction of the LCDs of the field sequence LCD device of described use quanta point material
Optical imaging system is sequentially provided with direction and screen is received.
A kind of projector apparatus, the LCoS display screens of the field sequence LCD device of described use quanta point material are reflected
Optical imaging system is sequentially provided with light direction and screen is received.
Beneficial effects of the present invention are：The present invention using quantum dot film Color Conversion principle and blue phase liquid crystal it is quick
Features of response, proposes a kind of new field sequence LCD device, improves the efficiency of light energy utilization, compares traditional LC oS displays, simplifies
Light supply apparatus, reduces the cost of display.Field sequence LCD device of the invention can obtain a kind of new projection
Instrument, its anti-seismic performance gets a promotion.
Brief description of the drawings
Fig. 1 be liquid crystal display of the present invention use blue phase liquid crystal display screen when principle schematic diagram.；
Fig. 2 is quantum dot colour wheel side to light structural representation of the invention；
Fig. 3 is the synchronized relation figure between the display data of quantum dot colour wheel of the invention and LCDs；
Fig. 4 be liquid crystal display of the present invention use LCoS display screens when junction structure principle schematic；
Fig. 5 is using the projector architecture principle schematic of the present invention of blue phase liquid crystal display screen；
Fig. 6 is using the projector architecture principle schematic of the present invention of LCoS display screens.
Specific embodiment
Structure of the invention is further described below in conjunction with accompanying drawing and currently preferred specific embodiment.
Shown in reference picture 1, Fig. 2 and Fig. 3, the present invention is included sharp using the field sequence LCD device of quanta point material
Light emitting source, quantum dot colour wheel, LCDs, control system, mechanical rotation device and display data buffer；Described excites
, located at the side to light direction of quantum dot colour wheel, LCDs is located at the exiting surface direction of quantum dot colour wheel for light source；Liquid crystal display
It is blue phase liquid crystal display screen to shield, and described mechanical rotation device drives the rotation of quantum dot colour wheel, and control system connects control respectively
Described excitation source and mechanical rotation device, the control system is also shown data buffer connection control LCDs
Pixel light extraction.
As shown in Figure 2, the side to light of described quantum dot colour wheel divide have three replace respectively it is saturating to LCDs
Penetrate the fan section of blue light, feux rouges and green glow.Excitation source has control system to drive, and excitation source passes through optical mirror slip by exciting light
It is irradiated in the active set of source on one of fan section of quantum dot colour wheel, so as to transmit the light of respective color to liquid crystal
In display screen.
It is transparent material on the blue light fan section of described quantum dot colour wheel when described excitation source is blue light source,
Excitation source is directly transmitted through on LCDs, and is respectively equipped with by the exciting light on red sector and green glow fan section
Source inspire feux rouges red light quantum point layer and by the excitation source inspired green glow green light quantum point layer.
When the radiation wavelength of excitation source is shorter, during positioned at the interval non-blue light source of near ultraviolet and blue light, described swashs
Light emitting source is to be provided with the blue light that blue light is inspired by the excitation source on the blue light fan section of described quantum dot colour wheel
Quantum dot layer.
That is to say that the layer of the quanta point material on quantum dot colour wheel is divided into three points, respectively red, green and amount of blue
Zi Dian areas, the emergent light after the light source that is excited irradiation is respectively red, green and blueness.When excitation source sheet is as blue light,
Blue quantum dot region can simplify and be designed as blue light.Described red light quantum point layer, green light quantum point layer and blue light quantum point layer
Can be formed at by way of plated film or pad pasting on the side to light of described quantum dot colour wheel.
Shown in reference picture 3, mechanical rotation device make quantum dot colour wheel with certain speed around colour wheel center of circle uniform rotation,
Rotating speed is controlled by master control system.
It is red, green, blue that the display data of control system control LCDs is repacked in display data buffering area
Three frames are alternately input to blue phase liquid crystal display screen, and the fan section emergent light of the feux rouges, green glow and blue light with quantum dot colour wheel is same
Step correspondence.Because blue phase liquid crystal has the response speed more faster than traditional liquid crystal, the frame picture of RGB three is closed from time dimension
Into colour picture, human eye is presented to.Master control system must keep the illuminated block of quantum dot colour wheel and the frame block of display data
It is synchronous.In the conversion time of each fan section irradiation and in the switching transition of RGB data, liquid crystal display should be kept light tight.
The field sequence LCD device of quanta point material of the present invention based on luminescence generated by light improves the efficiency of light energy utilization, and simplifies
The design of complex light system and reduce cost.
Shown in reference picture 4, when described LCDs is LCoS（Liquid crystal on silicon）During display screen, LCoS display screens with
The polarized light separation sheet that quantum dot colour wheel light extraction is converted to polarised light directive LCoS display screens is provided between quantum dot colour wheel.Silicon
Base fluid crystalline substance is the lcd technology of another quick response.Blue phase liquid crystal technology is different from, its implementation is reflective display
Mode.Therefore in structure, compared to the implementation of blue phase liquid crystal display screen, also need to increase by a polarized light separation sheet, will
Non-polarized light isolates required polarised light and irradiates LCoS liquid crystal displays.Based on the implementation of reflection, the position of each parts
Relation will be readjusted, and other each component functions are essentially identical with above-mentioned blue phase liquid crystal displaying scheme, repeat no more.
Shown in reference picture 5, extend on the basis of above-mentioned LCDs is for the liquid crystal display of blue phase liquid crystal display screen
The structure of the projecting apparatus for going out is：Optical imaging system is sequentially provided with the light direction of LCDs and screen is received.Optics
Imaging system is general by optical element combinations such as convex lens, concavees lens, realizes the amplification to display image；Screen is received to be used for connecing
Receive by optical imaging system imaging, for eye-observation.
Shown in reference picture 6, equally, extend on the basis of above-mentioned LCDs is for the liquid crystal display of LCoS display screens
The structure of the projecting apparatus for going out is：Optical imaging system is sequentially provided with LCoS display screen reflecting lights direction and screen is received.
Claims (9)
1. a kind of field sequence LCD device of use quanta point material, it is characterised in that the liquid crystal display includes exciting light
Source, quantum dot colour wheel, LCDs, control system, mechanical rotation device and display data buffer；Described excitation source
Located at the side to light direction of quantum dot colour wheel, LCDs is located at the exiting surface direction of quantum dot colour wheel；Described machinery turns
Dynamic device drives the rotation of quantum dot colour wheel, and control system connects the excitation source and mechanical rotation device described in control, institute respectively
State control system and be also shown data buffer connection control LCDs pixel light extraction；
The side to light of described quantum dot colour wheel is divided has three respectively alternately to LCDs transmission blue light, feux rouges and green glow
Fan section；Wherein, it is respectively equipped with red sector and green glow fan section and is inspired the red of feux rouges by the excitation source
Light quanta point layer and by the excitation source inspired green glow green light quantum point layer.
2. the field sequence LCD device of the use quanta point material described in claim 1, it is characterised in that：Described excitation source
It is blue light source, is transparent material on the blue light fan section of described quantum dot colour wheel.
3. the field sequence LCD device of the use quanta point material described in claim 1, it is characterised in that：Described excitation source
It is non-blue light source, blue light is inspired by the excitation source to be provided with the blue light fan section of described quantum dot colour wheel
Blue light quantum point layer.
4. the field sequence LCD device of the use quanta point material described in claim 1 or 3, it is characterised in that：Described feux rouges
Quantum dot layer, green light quantum point layer and blue light quantum point layer are formed at described quantum dot colour wheel by way of plated film or pad pasting
Side to light on.
5. the field sequence LCD device of the use quanta point material described in claim 1, it is characterised in that：Described liquid crystal display
It is blue phase liquid crystal display screen to shield.
6. the field sequence LCD device of the use quanta point material described in claim 1, it is characterised in that：Described liquid crystal display
It is LCoS display screens to shield, and is provided between LCoS display screens and quantum dot colour wheel and for quantum dot colour wheel light extraction to be converted to polarised light directive
The polarized light separation sheet of LCoS display screens.
7. the field sequence LCD device of the use quanta point material described in claim 1, it is characterised in that：Described control system
The display data point frame of red, green, blue three of LCDs is controlled alternately to be input into, and feux rouges with quantum dot colour wheel, green glow and indigo plant
The fan section outgoing phototiming correspondence of light.
8. a kind of projector apparatus, it is characterised in that：The field sequence LCD device of the use quanta point material as described in profit requires 5
LCDs light direction on be sequentially provided with optical imaging system and receive screen.
9. a kind of projector apparatus, it is characterised in that：The field sequence LCD device of the use quanta point material as described in profit requires 6
LCoS display screen reflecting lights direction on be sequentially provided with optical imaging system and receive screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710197254.0A CN106908995A (en) | 2017-03-29 | 2017-03-29 | A kind of field sequence LCD device and projecting apparatus of use quanta point material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710197254.0A CN106908995A (en) | 2017-03-29 | 2017-03-29 | A kind of field sequence LCD device and projecting apparatus of use quanta point material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106908995A true CN106908995A (en) | 2017-06-30 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710197254.0A Pending CN106908995A (en) | 2017-03-29 | 2017-03-29 | A kind of field sequence LCD device and projecting apparatus of use quanta point material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111025794A (en) * | 2019-12-06 | 2020-04-17 | 深圳市华星光电半导体显示技术有限公司 | Liquid crystal display device |
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| CN102890398A (en) * | 2012-09-27 | 2013-01-23 | 深圳市绎立锐光科技开发有限公司 | Light-emitting device and related projection system |
| CN103186021A (en) * | 2011-12-27 | 2013-07-03 | 台达电子工业股份有限公司 | Illumination system and wavelength-transforming device thereof |
| JP2014134806A (en) * | 2014-02-12 | 2014-07-24 | Seiko Epson Corp | Projector |
| CN106324963A (en) * | 2016-11-16 | 2017-01-11 | 青岛蓝之虹光电技术有限公司 | Novel transmission-type backlight source device applying wavelength conversion principle |
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2017
- 2017-03-29 CN CN201710197254.0A patent/CN106908995A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007156270A (en) * | 2005-12-07 | 2007-06-21 | Sharp Corp | Light source device and projection-type image display device |
| CN101750855A (en) * | 2008-12-19 | 2010-06-23 | 绎立锐光科技开发(深圳)有限公司 | Protective method and device of projection system and color-matching device |
| CN103186021A (en) * | 2011-12-27 | 2013-07-03 | 台达电子工业股份有限公司 | Illumination system and wavelength-transforming device thereof |
| CN102890398A (en) * | 2012-09-27 | 2013-01-23 | 深圳市绎立锐光科技开发有限公司 | Light-emitting device and related projection system |
| JP2014134806A (en) * | 2014-02-12 | 2014-07-24 | Seiko Epson Corp | Projector |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111025794A (en) * | 2019-12-06 | 2020-04-17 | 深圳市华星光电半导体显示技术有限公司 | Liquid crystal display device |
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