CN208851455U - A kind of 3D polarizing liquid crystal visual chart - Google Patents
A kind of 3D polarizing liquid crystal visual chart Download PDFInfo
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- CN208851455U CN208851455U CN201820671110.4U CN201820671110U CN208851455U CN 208851455 U CN208851455 U CN 208851455U CN 201820671110 U CN201820671110 U CN 201820671110U CN 208851455 U CN208851455 U CN 208851455U
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- liquid crystal
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- power supply
- plate
- visual chart
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Abstract
The utility model discloses a kind of 3D polarizing liquid crystal visual charts, including host and pedestal, the host surface is equipped with infrared receiver, host back is equipped with fixed plate, on & off switch and DC power supply interface, pedestal is detachably connected by bolt and fixed plate, and the on & off switch and DC power supply interface are inlayed with host by through-hole and is detachably connected；It is equipped with 3D display screen, constant current plate and power supply adaptor inside the host, is connected between 3D display screen, constant current plate and power supply adaptor by conducting wire, the 3D display screen is detachably connected by inlaying inside card slot and host.A kind of 3D polarizing liquid crystal visual chart, this visual chart is designed using circular polarization isolation technics, provide polarization indicating abundant, it can carry out binocular balance, realize effective support to view optical test is carried out under eyes natural vision, to provide more property easy to use depending on optical test, the eyesight of detected person more can be accurately judged.
Description
Technical field
The utility model relates to visual chart technical field, specially a kind of 3D polarizing liquid crystal visual chart.
Background technique
Visual chart is the chart for measuring eyesight.It tests eyesight and is generally divided into two class of distant vision and near vision, distant vision
International standard visual chart is mostly used, this table is made of different " E " word of 3 rows opening direction of different sizes；It measures from 0.1-
1.5；Every row has label, and examinee's is parallel with 1.0 a line depending on visual chart operating method line, apart from 5 meters of visual chart.Tradition
Visual chart cannot effectively balance two eyesights when detecting, to influence the eyesight Detection accuracy of tester.Thus
We devise a kind of a novel 3D polarizing liquid crystal visual chart, solve a kind of traditional 3D polarizing liquid crystal visual chart and use
Inconvenient problem.
Utility model content
The purpose of this utility model is to provide a kind of 3D polarizing liquid crystal visual chart, to solve existing technological deficiency and not
Attainable technical requirements.
To achieve the above object, the utility model provides the following technical solutions: a kind of D polarizing liquid crystal visual chart, including master
Machine and pedestal, the host surface are equipped with infrared receiver, and host back is equipped with fixed plate, on & off switch and DC power supply interface,
Pedestal is detachably connected by bolt and fixed plate, and the on & off switch and DC power supply interface are inlayed detachably by through-hole and host
Connection；3D display screen, constant current plate and power supply adaptor, 3D display screen, constant current plate and power supply adaptor are equipped with inside the host
Between connected by conducting wire, the 3D display screen is detachably connected by inlaying inside card slot and host, the 3D display screen by
Reflecting plate, polarizer, colored filter, liquid crystal layer, light guide plate and reflectance coating composition, reflecting plate, polarizer, colored filter,
Vertical distribution is presented in liquid crystal layer, light guide plate and reflectance coating, and the reflecting plate bottom and polarizer are connected, set inside reflecting plate
There is visual chart.
As a kind of preferred embodiment of the utility model, colored filter is equipped between the polarizer and polarizer
And liquid crystal layer, colored filter are placed in liquid crystal layer top, are linked as one by glue between polarizer, colored filter and liquid crystal layer
Body.
As a kind of preferred embodiment of the utility model, the light guide plate is Nian Jie by glue with reflectance coating, guide-lighting
Plate top and polarizer connect, and the constant current plate is placed on the left of 3D display screen, and reflectance coating is connect by conducting wire with constant current plate.
As a kind of preferred embodiment of the utility model, the power supply adaptor passes through conducting wire and on & off switch and DC electricity
Source interface is connected in series.
As a kind of preferred embodiment of the utility model, the host is cooperatively connected by card slot and fixed plate.
Compared with prior art, the beneficial effects of the utility model are as follows:
Compared with a kind of traditional 3D polarizing liquid crystal visual chart, a kind of 3D polarizing liquid crystal visual chart after improvement, this eyesight
Table is designed using circular polarization isolation technics, is provided polarization indicating abundant, can be carried out binocular balance, realize to eyes
Effective support of view optical test is carried out under natural vision, it, more can be accurately to provide more property easy to use depending on optical test
Judge the eyesight of detected person.
Detailed description of the invention
Fig. 1 is a kind of 3D polarizing liquid crystal visual chart structural schematic diagram of the utility model；
Fig. 2 is a kind of 3D polarizing liquid crystal visual chart back structures schematic diagram of the utility model；
Fig. 3 is a kind of 3D polarizing liquid crystal visual chart 3D display screen schematic diagram of internal structure of the utility model；
Fig. 4 is a kind of 3D polarizing liquid crystal visual chart host side structure schematic view of the utility model.
In figure: host -1, pedestal -2,3D display screen -3, infrared receiver -4, visual chart -5, fixed plate -6, switch
Key -7, DC power supply interface -8, reflecting plate -9, polarizer -10, colored filter -11, liquid crystal layer -12, light guide plate -13, reflection
Film -14, constant current plate -15, power supply adaptor -16.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of 3D polarizing liquid crystal visual chart, including host 1
With pedestal 2,1 surface of host is equipped with infrared receiver 4, and 1 back of host is equipped with fixed plate 6, on & off switch 7 and DC power supply and connects
Mouth 8, pedestal 2 are detachably connected by bolt with fixed plate 6, and the on & off switch 7 and DC power supply interface 8 pass through through-hole and host 1
It inlays and is detachably connected；3D display screen 3, constant current plate 15 and power supply adaptor 16,3D display screen 3, perseverance are equipped with inside the host 1
It is connected between flowing plate 15 and power supply adaptor 16 by conducting wire, the 3D display screen 3 is removable by inlaying inside card slot and host 1
Connection is unloaded, the 3D display screen 3 is by reflecting plate 9, polarizer 10, colored filter 11, liquid crystal layer 12, light guide plate 13 and reflectance coating
Vertical distribution is presented in 14 compositions, reflecting plate 9, polarizer 10, colored filter 11, liquid crystal layer 12, light guide plate 13 and reflectance coating 14,
9 bottom of reflecting plate and polarizer 10 connect, and visual chart 5 is equipped with inside reflecting plate 9.
Referring to Fig. 3, colored filter 11 and liquid crystal layer 12 are equipped between the polarizer 10 and polarizer 10, colour filter
Mating plate 11 is placed in 12 top of liquid crystal layer, is linked together between polarizer 10, colored filter 11 and liquid crystal layer 12 by glue, prevents
Only light overflows and veiling glare influences light beam, improves the quality of light beam.
Referring to Fig. 3, the light guide plate 13 is Nian Jie by glue with reflectance coating 14,13 top of light guide plate connects with polarizer 10
Touching connection, the constant current plate 15 are placed in 3 left side of 3D display screen, and reflectance coating 14 is connect by conducting wire with constant current plate 15, pass through change
Voltage and then control its light guide plate 13 of voltage official post generation electron stream.
Fig. 2,4 are please referred to, the power supply adaptor 16 is connected in series by conducting wire and on & off switch 7 and DC power supply interface 8, control
Host 1 processed whole power-off and energization.
Referring to Fig. 2, the host 1 is cooperatively connected by card slot and fixed plate 6, convenient for the installation of host 1.
The host 1 of the utility model, pedestal 2,3D display screen 3, infrared receiver 4, visual chart 5, fixed plate 6, switch
Key 7, DC power supply interface 8, reflecting plate 9, polarizer 10, colored filter 11, liquid crystal layer 12, light guide plate 13, reflectance coating 14, constant current
Plate 15, power supply adaptor 16, component are universal standard part or component as known to those skilled in the art, and structure and principle are all
Can be learnt by technical manual for this technology personnel or be known by routine experiment method, the utility model solve the problems, such as be
It is equipped with 3D in 3D display screen and polarizes indicating, the utility model is combined with each other by above-mentioned component, can carry out binocular balance
Test, can accurately judge the eyesight of detected person.
Working principle: maintaining a certain distance between tester and host 1, makes the normal work of host 1 after turning on the switch key 7
Make, change the voltage of constant current plate 15 by remote controller, so that constant current plate 15 generates voltage difference, so that leading
Tabula rasa 13 generates electron beam, and electron beam is shown by being entered in reflecting plate 9 after polarizer 10, colored filter 11 and liquid crystal layer 12
Visual chart 5 is shown, due to that can test in turn eyes using the indicating of 3D polarization, to accurately judge detected person
Eyesight.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, for
For those skilled in the art, it is clear that the present invention is not limited to the details of the above exemplary embodiments, and without departing substantially from this
In the case where the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the utility model is by institute
Attached claim rather than above description limit, it is intended that will fall within the meaning and scope of the equivalent elements of the claims
All changes are embraced therein.It should not treat any reference in the claims as limiting related right
It is required that.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (5)
1. a kind of 3D polarizing liquid crystal visual chart, including host (1) and pedestal (2), it is characterised in that: host (1) surface is set
Have infrared receiver (4), host (1) back is equipped with fixed plate (6), on & off switch (7) and DC power supply interface (8), and pedestal (2) is logical
It crosses bolt to be detachably connected with fixed plate (6), the on & off switch (7) and DC power supply interface (8) are inlayed by through-hole with host (1)
It is detachably connected；
3D display screen (3), constant current plate (15) and power supply adaptor (16), 3D display screen (3), perseverance are equipped with inside the host (1)
It is connected between flowing plate (15) and power supply adaptor (16) by conducting wire, the 3D display screen (3) is internal by card slot and host (1)
It inlays and is detachably connected, the 3D display screen (3) is by reflecting plate (9), polarizer (10), colored filter (11), liquid crystal layer
(12), light guide plate (13) and reflectance coating (14) composition, reflecting plate (9), polarizer (10), colored filter (11), liquid crystal layer
(12), light guide plate (13) and reflectance coating (14) are presented vertical distribution, reflecting plate (9) bottom and polarizer (10) company of contact
It connects, is equipped with visual chart (5) inside reflecting plate (9).
2. a kind of 3D polarizing liquid crystal visual chart according to claim 1, it is characterised in that: the polarizer (10) and polarisation
Colored filter (11) and liquid crystal layer (12) are equipped between plate (10), colored filter (11) is placed in liquid crystal layer (12) top, partially
It is linked together between tabula rasa (10), colored filter (11) and liquid crystal layer (12) by glue.
3. a kind of 3D polarizing liquid crystal visual chart according to claim 1, it is characterised in that: the light guide plate (13) and reflection
Film (14) is bonded by glue, and light guide plate (13) top and polarizer (10) connect, and it is aobvious that the constant current plate (15) is placed in 3D
On the left of display screen (3), reflectance coating (14) is connect by conducting wire with constant current plate (15).
4. a kind of 3D polarizing liquid crystal visual chart according to claim 1, it is characterised in that: the power supply adaptor (16) is logical
It crosses conducting wire and on & off switch (7) and DC power supply interface (8) is connected in series.
5. a kind of 3D polarizing liquid crystal visual chart according to claim 1, it is characterised in that: the host (1) passes through card slot
It is cooperatively connected with fixed plate (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820671110.4U CN208851455U (en) | 2018-05-07 | 2018-05-07 | A kind of 3D polarizing liquid crystal visual chart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820671110.4U CN208851455U (en) | 2018-05-07 | 2018-05-07 | A kind of 3D polarizing liquid crystal visual chart |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208851455U true CN208851455U (en) | 2019-05-14 |
Family
ID=66410929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820671110.4U Active CN208851455U (en) | 2018-05-07 | 2018-05-07 | A kind of 3D polarizing liquid crystal visual chart |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208851455U (en) |
-
2018
- 2018-05-07 CN CN201820671110.4U patent/CN208851455U/en active Active
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