CN103676363B - A kind of liquid crystal light valve - Google Patents
A kind of liquid crystal light valve Download PDFInfo
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- CN103676363B CN103676363B CN201310695905.0A CN201310695905A CN103676363B CN 103676363 B CN103676363 B CN 103676363B CN 201310695905 A CN201310695905 A CN 201310695905A CN 103676363 B CN103676363 B CN 103676363B
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Abstract
The invention discloses a kind of liquid crystal light valve, including at least three liquid crystal display superposition, in the view directions of all described liquid crystal displays, the angle between adjacent two described view directions is identical, and all described angles and be 360 degree. By the setting of the view directions to all liquid crystal displays, improve user by liquid crystal light valve at the viewing effect of view directions 360 degree different, improve the dependence of angle of liquid crystal light valve.
Description
Technical field
The present invention relates to field of optical device technology, more particularly, it relates to a kind of liquid crystal light valve.
Background technology
Electro-welding arc mainly includes infrared ray, luminous ray and ultraviolet, and electro-welding arc is very big to the eye hazard of people, seriously can cause blind. Liquid crystal light valve is exactly the liquid crystal TN product on electric welder's helmet; the high light of electro-welding arc can be converted to fill light by liquid crystal light valve; being possible not only to ensure the object that operator it can be clearly seen that welding, the eyes that simultaneously can be effectively protected operator are not injured by electro-welding arc.
Existing liquid crystal light valve mostly is double; two box structure, namely adopts two liquid crystal displays to be superimposed, and the outer surface at any liquid crystal display arranges optical filter, and optical filter is used for the ultraviolet and the infrared ray that filter in welding process. But, the dependence of angle of existing liquid crystal light valve is poor.
Summary of the invention
In view of this, the present invention provides a kind of liquid crystal light valve, compensate for the defect of the dependence of angle of existing liquid crystal light valve.
For achieving the above object, the present invention provides following technical scheme:
A kind of liquid crystal light valve, including: the first liquid crystal display��the N liquid crystal display, N is at least 3, described first liquid crystal display��the N liquid crystal display is a corresponding view directions respectively, in the view directions of all described liquid crystal displays, angle between adjacent two described view directions is identical, and all described angles and be 360 degree.
Preferably, described first liquid crystal display��the N liquid crystal display includes left-handed liquid crystal display and/or dextrorotation liquid crystal display.
Preferably, described first liquid crystal display deviate from second liquid crystal display one side be provided with optical filter.
Preferably, described N liquid crystal display deviate from N-1 liquid crystal display one side be additionally provided with transparency protected.
Preferably, described transparency protected is white glass.
Preferably, on the contact surface of adjacent two liquid crystal displays of described first liquid crystal display��the N liquid crystal display, a described liquid crystal display polaroid is identical with the polarizing angle of the polaroid of liquid crystal display another described.
Preferably, the polaroid on the contact surface of described adjacent two liquid crystal displays is same polaroid.
Preferably, described N is 3 or 4.
Preferably, described N is 3, wherein, and the one in the view directions respectively 12:00 direction of described first liquid crystal display��the 3rd liquid crystal display, 4:30 direction and 7:30 direction.
Preferably, described N is 4, wherein, and the one in the view directions respectively 12:00 direction of described first liquid crystal display��the 4th liquid crystal display, 3:00 direction, 6:00 direction and 9:00 direction.
Compared with prior art, technical scheme provided by the present invention has the advantage that
Liquid crystal light valve provided by the present invention, including at least three liquid crystal display superposition, in the view directions of all described liquid crystal displays, the angle between adjacent two described view directions is identical, and all described angles and be 360 degree. By the setting of the view directions to all liquid crystal displays, improve user by liquid crystal light valve at the viewing effect of view directions 360 degree different, improve the dependence of angle of liquid crystal light valve.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The structural representation of a kind of liquid crystal light valve that Fig. 1 provides for the embodiment of the present application.
Detailed description of the invention
As described in background, the dependence of angle of existing liquid crystal light valve is poor. Inventor studies discovery, causes what the reason of this defect mainly had an existing liquid crystal light valve mostly to be double; two box structure, namely adopts two liquid crystal displays superimposed together, and only the viewing effect of two view directions is good, and the viewing effect of all the other view directions is poor.
Concrete, the viewing effect of each liquid crystal display only one of which view directions is good, and the viewing effect of the view directions contrary with this view directions is poor. The view directions of liquid crystal display was named with the hour of clock, the view directions of such as liquid crystal display is 12:00 direction, namely good at the viewing effect in the in-plane of 12:00 hour hands to normal (i.e. the central axis of liquid crystal display) this region, direction, the viewing effect on opposite to that 6:00 direction is poor. Existing pair of box structure, by the liquid crystal display superposition that liquid crystal display that view directions is 12:00 and view directions are 6:00, although compensate for respective visual angle defect to a certain extent, but, viewing effect in 3:00 and 9:00 direction is still poor, reduces the dependence of angle of liquid crystal light valve.
Based on this, the invention provides a kind of liquid crystal light valve, with the problems referred to above overcoming prior art to exist, including: the first liquid crystal display��the N liquid crystal display, N is at least 3, and described first liquid crystal display��the N liquid crystal display is a corresponding view directions respectively, in the view directions of all described liquid crystal displays, angle between adjacent two described view directions is identical, and all described angles and be 360 degree.
Liquid crystal light valve provided by the present invention, including at least three liquid crystal display superposition, in the view directions of all described liquid crystal displays, the angle between adjacent two described view directions is identical, and all described angles and be 360 degree. By the setting of the view directions to all liquid crystal displays, improve user by liquid crystal light valve at the viewing effect of view directions 360 degree different, improve the dependence of angle of liquid crystal light valve.
It is above the core concept of the present invention, understandable for enabling the above-mentioned purpose of the present invention, feature and advantage to become apparent from, below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
Elaborate a lot of detail in the following description so that fully understanding the present invention, but the present invention can also adopt other to be different from alternate manner described here to be implemented, those skilled in the art can do similar popularization when without prejudice to intension of the present invention, and therefore the present invention is not by the restriction of following public specific embodiment.
Secondly, the present invention is described in detail in conjunction with schematic diagram, when describing the embodiment of the present invention in detail; for ease of explanation; representing that the profile of device architecture can be disobeyed general ratio and be made partial enlargement, and described schematic diagram is example, it should not limit the scope of protection of the invention at this. Additionally, the three-dimensional space of length, width and the degree of depth should be comprised in actual fabrication.
Present embodiments provide a kind of liquid crystal light valve, including: the first liquid crystal display��the N liquid crystal display, N is at least 3, described first liquid crystal display��the N liquid crystal display is a corresponding view directions respectively, in the view directions of all described liquid crystal displays, angle between adjacent two described view directions is identical, and all described angles and be 360 degree.
Liquid crystal display includes left-handed liquid crystal display and dextrorotation liquid crystal display, left-handed liquid crystal display and dextrorotation liquid crystal display have respective advantage, and the present embodiment preferably described first liquid crystal display��the N liquid crystal display includes left-handed liquid crystal display and/or dextrorotation liquid crystal display. In production application process, all of liquid crystal display can be selected according to actual needs to be left-handed liquid crystal display or be dextrorotation liquid crystal display, still include left-handed liquid crystal display and dextrorotation liquid crystal display matches, it is ensured that the dependence of angle of final liquid crystal light valve is high.
The first liquid crystal display at liquid crystal light valve deviates from the second liquid crystal display one side and is provided with optical filter; optical filter is for filtering the ultraviolet and infrared ray produced in welding process; meanwhile, optical filter also acts as protective effect, and the surface of protection liquid crystal display is not scratched.
Same, in order to protect the one side that N liquid crystal display deviates from N-1 liquid crystal display not to be scratched, described N liquid crystal display deviates from N-1 liquid crystal display one side and is additionally provided with transparency protected.
Transparency protected, while playing a protective role, does not affect the light transmittance of liquid crystal display, and preferred described transparency protected of the present embodiment is white glass.
On the contact surface of adjacent two liquid crystal displays of described first liquid crystal display��the N liquid crystal display, a described liquid crystal display polaroid is identical with the polarizing angle of the polaroid of liquid crystal display another described. Liquid crystal light valve is the product that erect image shows, it is therefore desirable to be set to unanimously by the polarizing angle of the polaroid of two adjacent liquid crystal displays, otherwise, there will be, after being combined by all liquid crystal displays, the liquid crystal light valve that negative-appearing image shows.
Wherein, contact surface at adjacent two liquid crystal displays, it is the contact of the polaroid of adjacent two liquid crystal displays, due on the contact surface of adjacent two liquid crystal displays, the polarizing angle of the polaroid of two liquid crystal displays is identical, therefore, the polaroid on the contact surface of preferred described adjacent two liquid crystal displays of this enforcement is same polaroid.
The present embodiment is preferred, and described N is 3 or 4, and namely the quantity of the preferred liquid crystal display of this enforcement is three or four.
One when described N is 3, in the view directions respectively 12:00 direction of described first liquid crystal display��the 3rd liquid crystal display, 4:30 direction and direction. One when described N is 4, in the view directions respectively 12:00 direction of described first liquid crystal display��the 4th liquid crystal display, 3:00 direction, 6:00 direction and 9:00 direction.
It should be noted that the present embodiment does not limit for the hierarchical relationship up and down of the concrete view directions of the first liquid crystal display��the N liquid crystal display, for instance in above-described embodiment:
When N is 3, the view directions of the first liquid crystal display can be 12:00 direction, and the view directions of the second liquid crystal display can be 4:30 direction, and the view directions of the 3rd liquid crystal display can be 7:30 direction;
Same, the view directions of the first liquid crystal display can be 4:30 direction, and the view directions of the second liquid crystal display can be 12:00 direction, and the view directions of the 3rd liquid crystal display can be 7:30 direction, and other combinations no longer repeat;
The embodiment of the present application can be any one for the permutation and combination of the view directions of all liquid crystal displays, same view directions can also be other direction, the embodiment of the present application does not limit, only need to meet in the view directions of all described liquid crystal displays, angle between adjacent two described view directions is identical, and all described angles and be 360 degree.
Liquid crystal light valve provided by the present invention, including at least three liquid crystal display superposition, in the view directions of all described liquid crystal displays, the angle between adjacent two described view directions is identical, and all described angles and be 360 degree. By the setting of the view directions to all liquid crystal displays, improve user by liquid crystal light valve at the viewing effect of view directions 360 degree different, improve the dependence of angle of liquid crystal light valve.
The embodiment of the present application additionally provides a kind of concrete liquid crystal light valve, with reference to shown in Fig. 1, for the structural representation of a kind of liquid crystal light valve that the embodiment of the present application provides, including the first liquid crystal display the 100��the 4th liquid crystal display 400.
Wherein, the one in the view directions respectively 12:00 direction of the first liquid crystal display the 100��the 4th liquid crystal display 400,3:00 direction, 6:00 direction and 9:00 direction.
First liquid crystal display 100 is consistent with the polarizing angle of the polaroid of the second liquid crystal display 200 opposite side, second liquid crystal display 200 is consistent with the polarizing angle of the polaroid of the 3rd liquid crystal display 300 opposite side, and the 3rd liquid crystal display 300 is consistent with the polarizing angle of the polaroid of the 4th liquid crystal display 400 opposite side.
The one side deviating from the second liquid crystal display 200 at the first liquid crystal display 100 is provided with optical filter 11, and, the one side deviating from the 3rd liquid crystal display 300 at the 4th liquid crystal display 400 is additionally provided with transparency protected 12, it is preferred that transparency protected is white glass.
The liquid crystal light valve that the embodiment of the present application provides, four liquid crystal displays choosing 12:00 direction, 3:00 direction, 6:00 direction and 9:00 direction are combined, mutually compensate for respective reciprocal visual angle defect, ensure that user passes through liquid crystal light valve viewing effect in the angular field of view of 360 degree good, compensate for the defect that the dependence of angle of existing liquid crystal light valve exists.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention. The multiple amendment of these embodiments be will be apparent from for those skilled in the art, and generic principles defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments. Therefore, the present invention is not intended to be limited to the embodiments shown herein, and is to fit to the widest scope consistent with principles disclosed herein and features of novelty.
Claims (7)
1. a liquid crystal light valve, it is characterized in that, including: the first liquid crystal display��the N liquid crystal display, described first liquid crystal display��the N liquid crystal display is a corresponding view directions respectively, in the view directions of all described liquid crystal displays, angle between adjacent two described view directions is identical, and all described angles and be 360 degree;
Described N is 4, wherein, and the one in the view directions respectively 12:00 direction of described first liquid crystal display��the 4th liquid crystal display, 3:00 direction, 6:00 direction and 9:00 direction.
2. liquid crystal light valve according to claim 1, it is characterised in that described first liquid crystal display��the N liquid crystal display includes left-handed liquid crystal display and/or dextrorotation liquid crystal display.
3. liquid crystal light valve according to claim 1, it is characterised in that described first liquid crystal display deviates from the second liquid crystal display one side and is provided with optical filter.
4. liquid crystal light valve according to claim 3, it is characterised in that described N liquid crystal display deviates from N-1 liquid crystal display one side and is additionally provided with transparency protected.
5. liquid crystal light valve according to claim 4, it is characterised in that described transparency protected is white glass.
6. liquid crystal light valve according to claim 1, it is characterized in that, on the contact surface of adjacent two liquid crystal displays of described first liquid crystal display��the N liquid crystal display, the polaroid of a described liquid crystal display is identical with the polarizing angle of the polaroid of liquid crystal display another described.
7. liquid crystal light valve according to claim 6, it is characterised in that the polaroid on the contact surface of described adjacent two liquid crystal displays is same polaroid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310695905.0A CN103676363B (en) | 2013-12-16 | 2013-12-16 | A kind of liquid crystal light valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310695905.0A CN103676363B (en) | 2013-12-16 | 2013-12-16 | A kind of liquid crystal light valve |
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| Publication Number | Publication Date |
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| CN103676363A CN103676363A (en) | 2014-03-26 |
| CN103676363B true CN103676363B (en) | 2016-06-08 |
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| CN201310695905.0A Active CN103676363B (en) | 2013-12-16 | 2013-12-16 | A kind of liquid crystal light valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114895486A (en) * | 2022-04-27 | 2022-08-12 | 江西合力泰科技有限公司 | Display screen panel assembly attaching method of electric welding mask |
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| CN201556009U (en) * | 2009-10-27 | 2010-08-18 | 河北冀雅电子有限公司 | Superwide-viewing-angle liquid crystal display (LCD) for electric welding goggles |
| CN101840107A (en) * | 2010-05-07 | 2010-09-22 | 河北工业大学 | Liquid crystal light valve (LCLV) with wide visual angle, high contrast ratio and rapid response |
| CN102349845A (en) * | 2011-09-05 | 2012-02-15 | 天马微电子股份有限公司 | Electric welding goggles |
| CN102360144A (en) * | 2011-09-05 | 2012-02-22 | 天马微电子股份有限公司 | Electric welding safety goggles |
| CN102854652A (en) * | 2011-06-29 | 2013-01-02 | 信利半导体有限公司 | Liquid crystal light valve |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100542082B1 (en) * | 1999-12-20 | 2006-01-10 | 엘지.필립스 엘시디 주식회사 | Method for fabricating a liquid crystal cell |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201556009U (en) * | 2009-10-27 | 2010-08-18 | 河北冀雅电子有限公司 | Superwide-viewing-angle liquid crystal display (LCD) for electric welding goggles |
| CN101840107A (en) * | 2010-05-07 | 2010-09-22 | 河北工业大学 | Liquid crystal light valve (LCLV) with wide visual angle, high contrast ratio and rapid response |
| CN102854652A (en) * | 2011-06-29 | 2013-01-02 | 信利半导体有限公司 | Liquid crystal light valve |
| CN102349845A (en) * | 2011-09-05 | 2012-02-15 | 天马微电子股份有限公司 | Electric welding goggles |
| CN102360144A (en) * | 2011-09-05 | 2012-02-22 | 天马微电子股份有限公司 | Electric welding safety goggles |
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| CN103676363A (en) | 2014-03-26 |
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