CN209514235U - A kind of LCOS light Space adjustment device and liquid crystal display device - Google Patents

Abstract

The utility model provides a kind of LCOS light Space adjustment device and liquid crystal display device, belongs to LCD Technology.The adjusting means includes the upper substrate, liquid crystal layer and lower substrate set gradually from up to down, first alignment layer is equipped in the bottom of upper substrate, second orientation layer is equipped in the top layer of lower substrate, liquid crystal layer is encapsulated between upper substrate and lower substrate, and the liquid crystal of liquid crystal layer is arranged in a manner of perpendicular or parallel to upper substrate and lower substrate in first alignment layer and second orientation layer, wherein oriented layer orientation uses illumination orientation technology.The adjusting means by setting first alignment layer and second orientation layer, by make liquid crystal according to perpendicular or parallel to substrate in a manner of arrange, so that adjusting means be made to have the characteristics that high-diffraction efficiency, high-precision, phase-only modulation and high fill-ratio.Liquid crystal display device including above-mentioned adjusting means is practical, and application prospect is wide.

Description

A kind of LCOS light Space adjustment device and liquid crystal display device

Technical field

The utility model relates to LCD Technology fields, in particular to a kind of LCOS light Space adjustment device And liquid crystal display device.

Background technique

Liquid crystal on silicon LCOS is a kind of novel reflective projection technology, and compared with penetration LCD and DLP, LCOS has The features such as high, small in size, aperture opening ratio is high, manufacturing technology is more mature using light efficiency.

But existing liquid crystal on silicon LCOS shows that quality is irregular.

Utility model content

One of the purpose of this utility model is to provide a kind of LCOS light Space adjustment device, the LCOS light space regulator Part can be such that liquid crystal arranges in the way of perpendicular or parallel to substrate, so that adjusting means be made to have high-diffraction efficiency, high-precision The features such as degree, phase-only modulation and high fill-ratio.

The another object of the utility model is to provide a kind of liquid crystal display device, and the liquid crystal display device is practical, Application prospect is wide.

The utility model solves its technical problem and adopts the following technical solutions to realize:

The utility model provides a kind of LCOS light Space adjustment device comprising the upper base set gradually from up to down Plate, liquid crystal layer and lower substrate.

It is equipped with first alignment layer in the bottom of upper substrate, is equipped with second orientation layer in the top layer of lower substrate, oriented layer uses Illumination orientation technology is orientated, and liquid crystal layer is encapsulated between upper substrate and lower substrate, and first alignment layer and second orientation layer The liquid crystal of liquid crystal layer is set in a manner of perpendicular or parallel to upper substrate and lower substrate.

Further, in some embodiments of the utility model, upper substrate includes conductive glass layer, conductive glass layer Including glass substrate and the conductive membrane layer that glass substrate bottom is arranged in, the bottom of conductive membrane layer is arranged in first alignment layer Layer.

Further, in some embodiments of the utility model, upper substrate further includes being arranged in glass substrate top layer Infrared anti-reflection film layer, infrared anti-reflection film layer with a thickness of 0.02-0.3 μm.

Further, in some embodiments of the utility model, infrared anti-reflection film layer with a thickness of 0.1-0.2 μm.

Further, in some embodiments of the utility model, conductive glass layer with a thickness of 0.4-1.1mm.

Further, in some embodiments of the utility model, lower substrate includes silicon substrate and is arranged in silicon substrate The top layer in reflecting layer is arranged in the reflecting layer of top layer, second orientation layer.

Further, it in some embodiments of the utility model, is equipped on the top layer periphery of lower substrate for encapsulating The glue-line of liquid crystal.

Further, in some embodiments of the utility model, first alignment layer with a thickness of 400-1000 Ethylmercurichlorendimide.

Further, in some embodiments of the utility model, second orientation layer with a thickness of 400-1000 Ethylmercurichlorendimide.

The utility model embodiment also proposed a kind of liquid crystal display device comprising above-mentioned LCOS light space regulator Part.

The beneficial effect of LCOS light Space adjustment device and liquid crystal display device includes: in the application

LCOS light Space adjustment device provided by the present application is by setting first alignment layer and second orientation layer, so that liquid crystal It is arranged in the way of perpendicular or parallel to substrate, to make adjusting means that there is high-diffraction efficiency, high-precision, phase-only modulation And the features such as high fill-ratio.Liquid crystal display device including above-mentioned LCOS light Space adjustment device is practical, and application prospect is wide.

Detailed description of the invention

It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also To obtain other relevant attached drawings according to these attached drawings.

Fig. 1 is the fractionation structural representation for the LCOS light Space adjustment device that the embodiment of the present application 1 provides；

The structural schematic diagram of upper substrate in the LCOS light Space adjustment device that Fig. 2 provides for the embodiment of the present application 1；

The structural schematic diagram of lower substrate in the LCOS light Space adjustment device that Fig. 3 provides for the embodiment of the present application 1；

Fig. 4 is the overall structure diagram for the LCOS light Space adjustment device that the embodiment of the present application 1 provides.

Icon: 10-LCOS light Space adjustment device；11- upper substrate；111- infrared anti-reflection film layer；112- conductive glass layer； 1121- glass substrate；1122- conductive membrane layer；113- first alignment layer；12- liquid crystal layer；13- lower substrate；131- second orientation Layer；The reflecting layer 132-；133- silicon substrate；14- frame adhesive.

Specific embodiment

It is practical below in conjunction with this to keep the purposes, technical schemes and advantages of the utility model embodiment clearer The technical solution in the utility model embodiment is clearly and completely described in attached drawing in novel embodiment, shows So, described embodiment is a part of embodiment of the utility model, rather than whole embodiments.It is practical based on this Embodiment in novel, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment is fallen within the protection scope of the utility model.Therefore, the implementation to the utility model provided in the accompanying drawings below The detailed description of mode is not intended to limit the range of claimed invention, but is merely representative of the utility model Selected embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative labor Every other embodiment obtained under the premise of dynamic, fall within the protection scope of the utility model.

In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise " be based on the orientation or positional relationship shown in the drawings, be only for Convenient for description the utility model and simplify description, rather than the equipment of indication or suggestion meaning or element must have specifically Orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention, More than, unless otherwise specifically defined.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis Concrete condition understands the concrete meaning of above-mentioned term in the present invention.

In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it "lower" may include that the first and second features directly contact, and also may include that the first and second features are not direct contacts but lead to Cross the other characterisation contact between them.Moreover, fisrt feature includes above the second feature " above ", " above " and " above " One feature is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.First is special Sign is directly below and diagonally below the second feature including fisrt feature under the second feature " below ", " below " and " below ", or only Indicate that first feature horizontal height is less than second feature.For the ordinary skill in the art, it can be managed with concrete condition Solve the concrete meaning of above-mentioned term in the present invention.

It is specifically described below.

Embodiment 1

The present embodiment proposes a kind of LCOS light Space adjustment device 10, please refers to Fig. 1, the LCOS light Space adjustment device 10 include upper substrate 11, liquid crystal layer 12 and the lower substrate 13 set gradually from up to down.

It is equipped with first alignment layer 113 in the bottom of upper substrate 11, is equipped with second orientation layer 131 in the top layer of lower substrate 13, Liquid crystal layer 12 is encapsulated between upper substrate 11 and lower substrate 13, and first alignment layer 113 and second orientation layer 131 make liquid crystal layer 12 Liquid crystal be arranged in a manner of perpendicular or parallel to upper substrate 11 and lower substrate 13.

Wherein, please with reference to Fig. 1, Fig. 3 and Fig. 4, lower substrate 13 includes that silicon substrate 133 and setting are pushed up in silicon substrate 133 The top layer in reflecting layer 132 is arranged in the reflecting layer 132 of layer, second orientation layer 131, and second orientation layer 131 makes the liquid of liquid crystal layer 12 Crystalline substance is arranged in a manner of perpendicular or parallel to lower substrate 13.Further, it is additionally provided on the top layer periphery of lower substrate 13 for sealing Fill the glue-line of liquid crystal.

In the present embodiment, the silicon substrate 133 in lower substrate 13 is formed by the CMOS IC chip of silicon.The one of substrate The reflecting layer 132 of the surface setting of side can be formed by way of aluminizing, and can make to expose to reflecting layer by reflecting layer 132 The light on the surface of the side of 132 separate silicon substrate 133 is reflected, and reflected light then reflexes to second orientation layer 131.

Second orientation layer 131 in lower substrate 13 is aligned for making liquid crystal by specific direction arranged distribution.This takes To the oriented material of layer be selected from light orientation material, such as the polymer containing azo group, the group containing cinnamoyl polymer and Polyimides etc..

In the present embodiment, the method for 131 directional orientation of second orientation layer for example can be using UV light irradiation orientation Method specifically may include following below scheme step: uniformly coated on the silicon substrate 133 for be coated with reflecting layer 132 light orientation solution ( Light orientation solution is coated on the surface of the side of the separate silicon substrate 133 in reflecting layer 132), then it is coated with alignment solution Substrate carry out precuring with evaporate alignment solution formed solid film, the substrate after precuring, which is placed in light orientation equipment, to be made Light orientation is carried out with UV light, it is solid finally to carry out high temperature master after completion orientation.It is worth noting that orientation and solidification process sequence are first Process is depending on light orientation material property afterwards.

Optionally, by taking light orientation material is the polymer of azo group as an example, 131 directional orientation of second orientation layer Process can refer to as follows:

Light orientation solution is uniformly coated on the surface of the side of the separate silicon substrate 133 in reflecting layer 132, wherein coating side Roller coating can be used in formula.In coating process, control dropping liquid air pressure is 0.05-0.3KG, and dropping liquid amount is that 40 ± 10 drop/mono- is come It returns, platform forward speed is 22 ± 2m/min, and drum rotation speed is 18 ± 2m/min.It is coated with the lower substrate 13 of light orientation solution Precuring 10min-15min under conditions of 50-70 DEG C.Then the lower substrate 13 after precuring is irradiated with UV light makes second to take It is aligned to the generation of layer 131, light source becomes source of parallel light after lens, and direction of illumination is vertical with substrate, will be orientated Lower substrate 13 carry out main solidification, main solidification can be carries out 1.5h under conditions of 180-220 DEG C.

Optionally, the thickness of second orientation layer 131 can be 400-1000 Ethylmercurichlorendimide, such as 400 Ethylmercurichlorendimides, 500 Ethylmercurichlorendimides, 600 Ethylmercurichlorendimides, 800 Ethylmercurichlorendimides or 1000 Ethylmercurichlorendimides etc., further, it is also possible to for other any thickness values within the scope of 400-1000 Ethylmercurichlorendimide.

In the present embodiment, the oriented material of the first alignment layer 113 in upper substrate 11 is also selected from light orientation material, equally may be used Think the polymer containing azo group, the polymer of the group containing cinnamoyl and polyimides etc..

The method of the directional orientation of first alignment layer 113 for example can also be using the method for UV light irradiation orientation, specifically It may include following below scheme step: uniformly coating light orientation solution on conductive glass layer 112 (namely in conductive glass layer 112 The surface of side far from infrared anti-reflection film layer 111 coats light orientation solution), then it is coated with the upper substrate 11 of alignment solution It carries out precuring and forms solid film to evaporate alignment solution, the upper substrate 11 after precuring is placed in light orientation equipment and is used UV light carries out light orientation, and it is solid finally to carry out high temperature master after completion orientation.

When the light orientation material of first alignment layer 113 is also the polymer of azo group, the process of directional orientation can Referring to the process of above-mentioned 131 directional orientation of second orientation layer, this will not be repeated here.In addition, when first alignment layer 113 and second takes To the light orientation material of layer 131 be other materials when, directional orientation process can be adjusted according to the actual situation.

Optionally, the thickness of first alignment layer 113 may be 400-1000 Ethylmercurichlorendimide, such as 400 Ethylmercurichlorendimides, 500 Ethylmercurichlorendimides, 600 Ethylmercurichlorendimides, 800 Ethylmercurichlorendimides or 1000 Ethylmercurichlorendimides etc., further, it is also possible to for other any thickness values within the scope of 400-1000 Ethylmercurichlorendimide.

Preferably, first alignment layer 113 and the identical namely used oriented material of second orientation layer 131 in the present embodiment And thickness is all the same.Certainly, in other embodiments, oriented material used in first alignment layer 113 and second orientation layer 131 And its thickness can be different.

The principle of above-mentioned light irradiation orientation includes: oriented layer oriented material chemically reactive under the irradiation of UV light, makes to take It is arranged in certain sequence to the strand of layer, the direction aligned has with light orientation material and light with the relative direction of substrate It closes.

Further, please with reference to Fig. 1, Fig. 2 and Fig. 4, upper substrate 11 further includes conductive glass layer 112, electro-conductive glass Layer 112 includes glass substrate 1121 and the conductive membrane layer 1122 that 1121 bottom of glass substrate is arranged in, and first alignment layer 113 is set Set the bottom in conductive membrane layer 1122.

Wherein, ITO (indium tin oxide transparent conductive semiconductor film) can be used in conductive membrane layer 1122.

Optionally, the thickness of the conductive glass layer 112 in the present embodiment can be 0.4-1.1mm, or 0.55-0.7mm.Specifically, the thickness of conductive glass layer 112 can be 0.4mm, 0.55mm, 0.7mm or 1.1mm etc..

Further, upper substrate 11 further includes the infrared anti-reflection film layer 111 that 1121 top layer of glass substrate is arranged in.Pass through Infrared anti-reflection film layer 111 is set, effectively reduces the intensity of reflected light, increases the intensity of transmitted light, meanwhile, it also adds red The transmitance of wave section.It can refer to ground, the basic role principle of above-mentioned infrared anti-reflection film in this application is interference cancellation, incident Light can be reflected in different dielectric surfaces, and when the reflected light of upper and lower surface interferes cancellation, reflected light is reduced, transmission Light increases.

Optionally, the thickness of infrared anti-reflection film layer 111 for example can be 0.02-0.3 μm, such as 0.02 μm, 0.05 μm, 0.1 μm, 0.25 μm or 0.3 μm etc..Further, the thickness of infrared anti-reflection film layer 111 can also be 0.1-0.2 μm, such as 0.15 μ M, 0.18 μm or 0.2 μm etc..

In the present embodiment, liquid crystal layer 12 is encapsulated between upper substrate 11 and lower substrate 13 namely liquid crystal layer 12 is set to Between one oriented layer 113 and second orientation layer 131, specifically, first alignment layer 113 and second orientation layer 131 are using contraposition patch The mode of conjunction is bonded, and liquid crystal layer 12 is connected between first alignment layer 113 and second orientation layer 131 by glue connection.Specifically it can refer to: Frame adhesive 14 is coated in the edge of a side surface in the separate reflecting layer 132 of the second orientation layer 131 of lower substrate 13, then It carries out contraposition with upper substrate 11 to be bonded to form sylphon, then between the sylphon that first alignment layer 113 and second orientation layer 131 are formed Inject Formation of liquid crystals liquid crystal layer 12.

The working principle of LCOS includes: that the liquid crystal molecule after orientation is arranged along substrate vertical (or parallel) in the application Column, it is arranged in parallel with vertical arrangement the difference is that their working condition is just on the contrary, vertical with liquid crystal molecule below Explanation is used as arrangement.When voltage is not added, liquid crystal molecule does not deflect, and liquid crystal molecule passes through perpendicular to substrate, light Phase difference does not change afterwards, and after reflection, light keeps original polarization state；After making alive, liquid crystal molecule is in electric field It deflecting under effect, incident linear polarization light generation is birefringent, and two-beam line phase difference after liquid crystal layer 12 changes, Reflected polarization of light state is caused to change.Select different wavelength of light, the birefringence of liquid crystal difference and liquid crystal Box is thick, and the polarised light of different polarization state is accessed with linearly polarized light incident energy.By in conductive membrane layer 1122 far from the Infrared anti-reflection film layer 111 is arranged in the side of one oriented layer 113, can effectively reduce the intensity of reflected light, increase the intensity of transmitted light, Meanwhile also increasing the transmitance of infrared band.

Embodiment 2

Present embodiments provide a kind of liquid crystal display device (not shown) comprising LCOS light Space adjustment device 10, also Including light source, polarization splitting prism, wherein the related introduction of LCOS light Space adjustment device 10 please refers to embodiment 1.Polarization point Light prism is located at the side of infrared anti-reflection film layer 111 in LCOS light Space adjustment device 10, and the light of light source transmitting is through polarization spectro It is incident upon the infrared anti-reflection film layer 111 of LCOS light Space adjustment device 10 after prism, work is then carried out according to the working principle of LCOS Make.

To sum up, LCOS light Space adjustment device 10 provided by the present application passes through setting first alignment layer 113 and second orientation Layer 131, by make liquid crystal according to perpendicular or parallel to substrate in a manner of arrange, thus make adjusting means have high-diffraction efficiency, height The features such as precision, phase-only modulation and high fill-ratio.By the way that infrared anti-reflection film layer 111 is arranged, reflected light can be effectively reduced Intensity increases the intensity of transmitted light and the transmitance of infrared band, and light transmission rate is high, high-resolution easy to accomplish and sufficient color Coloured silk performance.Liquid crystal display device including above-mentioned LCOS light Space adjustment device 10 is practical, and application prospect is wide.

Above description is merely a prefered embodiment of the utility model, is not intended to limit the utility model, for For those skilled in the art, various modifications and changes may be made to the present invention.All spirit and original in the utility model Within then, any modification, equivalent replacement, improvement and so on be should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of LCOS light Space adjustment device, which is characterized in that including set gradually from up to down upper substrate, liquid crystal layer and Lower substrate, is equipped with first alignment layer in the bottom of the upper substrate, is equipped with second orientation layer in the top layer of the lower substrate, described Liquid crystal layer is encapsulated between the upper substrate and the lower substrate, and the first alignment layer and the second orientation layer make it is described The liquid crystal of liquid crystal layer is arranged in a manner of perpendicular or parallel to upper substrate and lower substrate.

2. LCOS light Space adjustment device according to claim 1, which is characterized in that the first alignment layer and described Two oriented layer are orientated using illumination orientation technology.

3. LCOS light Space adjustment device according to claim 1, which is characterized in that the upper substrate includes electro-conductive glass Layer, the conductive glass layer includes glass substrate and the conductive membrane layer that the glass substrate bottom is arranged in, and described first takes The bottom of conductive membrane layer is set to layer.

4. LCOS light Space adjustment device according to claim 2, which is characterized in that the upper substrate further includes that setting exists The infrared anti-reflection film layer of glass substrate top layer, the infrared anti-reflection film layer with a thickness of 0.02-0.3 μm.

5. LCOS light Space adjustment device according to claim 4, which is characterized in that the thickness of the infrared anti-reflection film layer It is 0.1-0.2 μm.

6. LCOS light Space adjustment device according to claim 1, which is characterized in that the lower substrate include silicon substrate and The reflecting layer of the top layer of the silicon substrate is set, and the top layer in the reflecting layer is arranged in the second orientation layer.

7. LCOS light Space adjustment device according to claim 1, which is characterized in that on the top layer periphery of the lower substrate Equipped with the glue-line for encapsulating the liquid crystal.

8. LCOS light Space adjustment device according to claim 1, which is characterized in that the first alignment layer with a thickness of 400-1000 Ethylmercurichlorendimide.

9. LCOS light Space adjustment device according to claim 1, which is characterized in that the second orientation layer with a thickness of 400-1000 Ethylmercurichlorendimide.

10. a kind of liquid crystal display device, which is characterized in that the liquid crystal display device includes such as any one of claim 1-9 institute The LCOS light Space adjustment device stated.