CN202486473U - Liquid crystal light valve - Google Patents
Liquid crystal light valve Download PDFInfo
- Publication number
- CN202486473U CN202486473U CN2012200152941U CN201220015294U CN202486473U CN 202486473 U CN202486473 U CN 202486473U CN 2012200152941 U CN2012200152941 U CN 2012200152941U CN 201220015294 U CN201220015294 U CN 201220015294U CN 202486473 U CN202486473 U CN 202486473U
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- liquid crystal
- light valve
- crystal light
- substrate
- light
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Abstract
The utility model discloses a liquid crystal light valve which comprises a first base plate, a second base plate, a liquid crystal layer, an upholder and a seal glue frame. The first base plate and the second base plate are relatively arranged. The liquid crystal layer, the upholder and the seal glue frame are arranged between the first base plate and the second base plate, wherein the upholder is a black upholder. Because the black upholder is good in light absorption effect, refraction and reflection of the black upholder to the light can be reduced to the largest extent, therefore, according to the liquid crystal light valve, the diffusion quantity can be minimized after the light passes through the liquid crystal light valve, optical properties of the light valve products are improved, damages to the eyes of the staff caused by the diffusion light are avoided, and the phenomenon caused by the deviation of position and size of the goods seen by the staff and the actual goods is avoided.
Description
Technical field
The utility model belongs to the optical device field, relates in particular to a kind of liquid crystal light valve.
Background technology
Can produce electro-welding arc during electric welding work, electro-welding arc comprises infrared ray, ultraviolet ray and luminous ray, and when artificial electric welding, arc light is very big to people's eye injury, even can cause losing one's sight.In order to protect human eye to avoid the injury of electro-welding arc, the staff will wear arc welding mask and carry out work.Wherein, liquid crystal light valve is the LCD product that is used on the arc welding mask, the dual optical filtering of its ability, and ultraviolet ray and the infrared ray harmful radiation of avoiding electric arc to produce, and weld the injury that high light causes eyes.
Liquid crystal light valve is arranged on the arc welding mask, and the staff wears arc welding mask, is not having can to see the article that need electric welding clearly under the situation of electro-welding arc, can protect staff's eyes to avoid the injury of electro-welding arc when electro-welding arc is arranged.
The structure of existing liquid crystal light valve, as shown in Figure 1, comprising:
Said liquid crystal light valve is not worked under general light environment; Light can pass through liquid crystal light valve along the short-axis direction of liquid crystal, under the high light environment, promptly when light intensity surpasses preset value; Be arranged on the peripheral photoelectric sensing circuit of liquid crystal light valve agent structure and detect high light (mainly being infrared ray or ultraviolet ray) signal; Through amplifying, trigger the control circuit that links to each other with the liquid crystal light valve electrode layer, and apply the corresponding driving signal according to preset light transmission rate; Liquid crystal deflects under the effect of drive signal; Liquid crystal layer changes the penetrability of liquid crystal light valve as light valve, liquid crystal light valve both can the elimination electric welding produce to harmful infrared and ultraviolet of human eye, can high light be attenuated to the low light level that human eye can bear again.
But; When the existing liquid crystal light valve of light process, inevitably, the light meeting is generation diffusion phenomenon because of reflection or refraction etc.; Cause when the arc welding mask work that utilizes existing liquid crystal light valve to make; Diffused light can damage staff's eyes, and the position of the article seen of staff and actual object with size deviation takes place, and causes the electric welding position inaccurate.
The utility model content
In view of this; The utility model provides a kind of liquid crystal light valve; When adopting the arc welding mask work that is equipped with the available liquid crystal light valve to solve, diffused light is to staff's the article that eyes damage and the staff sees and the position and the big or small problem that deviation takes place of actual object.
The utility model discloses a kind of liquid crystal light valve, this liquid crystal light valve comprises:
First substrate that is oppositely arranged and second substrate;
Be arranged on liquid crystal layer, stilt and fluid sealant frame between first substrate and second substrate;
Wherein, above support is the black stilt.
Preferably, above support is a cylindricality.
Preferably, above support is cylindrical.
Preferably, above support is a truncated cone-shaped.
Preferably, above support is a terrace with edge shape.
Preferably, the diameter of above support is 2.5 μ m-6.0 μ m, and height is 2.5 μ m-6.0 μ m.
Preferably, above support is evenly distributed between said first substrate and second substrate.
Preferably, the distribution density of above support is 30/mm
2～50/mm
2
Preferably, the material of above support is an acryl resin.
Can find out that by such scheme the liquid crystal light valve that the utility model provided comprises: first substrate that is oppositely arranged and second substrate;
Be arranged on liquid crystal layer, stilt and fluid sealant frame between first substrate and second substrate;
Wherein, above support is the black stilt.
Because the stilt of black is good to the assimilation effect of light; Can reduce refraction and the reflection of stilt significantly to light; Therefore; Liquid crystal light valve disclosed in the utility model can reduce light to greatest extent through the amount of diffusion behind the liquid crystal light valve, improves the optical property of light valve product, and the phenomenon generation of deviation takes place for the position of having avoided article that injury that diffused light causes staff's eyes and staff see and actual object and size.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is existing liquid crystal light valve structure and index path thereof;
Fig. 2 is a kind of liquid crystal light valve structure and the index path thereof that the utility model provides;
Fig. 3 is the another kind of liquid crystal light valve structural drawing that the utility model provides;
Fig. 4 is another liquid crystal light valve structural drawing that the utility model provides.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model embodiment clearer; To combine the accompanying drawing among the utility model embodiment below; Technical scheme among the utility model embodiment is carried out clear, intactly description; Obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Said as the background technology part; When utilization is equipped with the arc welding mask of available liquid crystal light valve; Light can produce the diffusion phenomenon because of reflection or refraction; Cause diffused light can staff's eyes be damaged, and deviation can take place with size with the position of actual object in the article seen of staff, cause the electric welding position inaccurate.
The inventor finds that after deliberation producing the diffusion phenomenon during light process liquid crystal light valve is that existing stilt is generally white and has the spherical particle of certain light transmission because of the influence of the stilt in the liquid crystal light valve to light; As shown in Figure 1; The light that material object sends is through the stilt 8 in the liquid crystal light valve time, because stilt 8 has certain light transmission, so reflection or refraction can take place light; And then caused the diffusion phenomenon of light, cause diffused light that staff's eyes are damaged.In addition, the article that human eye is seen are the virtual objects along the reverse extending line direction of incident ray, and skew has taken place position in kind relatively, the position of virtual object, and size has also had variation.Therefore; Can be through changing the method for the stilt in the liquid crystal light valve; Reduce the amount of diffusion of liquid crystal light valve to greatest extent, avoided the article that injury that diffused light causes staff's eyes and staff see and the position of actual object deviation to take place with size.
Based on the basis of above-mentioned research, the utility model discloses a kind of liquid crystal light valve, this liquid crystal light valve comprises:
First substrate that is oppositely arranged and second substrate;
Be arranged on liquid crystal layer, stilt and fluid sealant frame between first substrate and second substrate;
Wherein, above support is the black stilt.
Can find out by such scheme; The liquid crystal light valve that the utility model provided adopts the stilt of black; And the stilt of black is good to the assimilation effect of light; Can reduce refraction and the reflection of stilt to light to greatest extent, therefore, liquid crystal light valve disclosed in the utility model can reduce light to greatest extent through the amount of diffusion behind the liquid crystal light valve; Improve the optical property of light valve product, avoided diffused light that staff's eyes are damaged and the phenomenon generation of deviation takes place for the position of the position of the article that the staff sees and actual object and size.
It more than is the application's core concept; To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment carried out clear, intactly description, obviously; Described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
A lot of details have been set forth in the following description so that make much of the utility model; But the utility model can also adopt other to be different from alternate manner described here and implement; Those skilled in the art can do similar popularization under the situation of the utility model intension, so the utility model does not receive the restriction of following disclosed specific embodiment.
Present embodiment discloses a kind of liquid crystal light valve, and is as shown in Figure 2, comprising:
First substrate 101 that is oppositely arranged and second substrate 102;
Be arranged on liquid crystal layer 103, stilt 104 and fluid sealant frame 105 between first substrate 101 and second substrate 102;
Wherein, above support 104 is the black stilt.
Concrete, said first substrate 101 is a glass substrate, and it is provided with first polaroid 106 and first electrode layer 107, and said first polaroid 106 and first electrode layer 107 are separately positioned on two faces of first substrate 101; Said second substrate 102 is a glass substrate, and it is provided with second polaroid 108 and the second electrode lay 109, and said second polaroid 108 is separately positioned on two faces of second substrate 102 with the second electrode lay 109.Said first polaroid 106 and second polaroid 108 are used for light is modulated into polarized light and makes the light of particular polarization pass through liquid crystal light valve; Said first electrode layer 107 is positioned at liquid crystal light valve inside with the second electrode lay 109; Be provided with in opposite directions; Be used for to control the state of liquid crystal through the electric field of regulating between first electrode layer 107 and the second electrode lay 109, and then controlling liquid crystal light valve at the inner electric field that produces of liquid crystal light valve.
Above support 104 is the cylindrical of black, and diameter is 2.5 μ m-6.0 μ m, and height is 2.5 μ m-6.0 μ m, and preferred diameter is 4 μ m, and height is 4 μ m.Manufacturing materials is a high molecular polymer, is preferably acryl resin, is evenly distributed between said first substrate 101 and second substrate 102, and distribution density is 30/mm
2～50/mm
2
In addition, above support can also be the truncated cone-shaped stilt 110 (as shown in Figure 3) or the columnar supports of other shapes (like terrace with edge shape).
In the time of the said liquid crystal light valve of light process, as shown in Figure 2, during light process liquid crystal layer; Short-axis direction along liquid crystal molecule penetrates liquid crystal light valve, and radiation direction does not change, when light is mapped to stilt 104; Because stilt 104 is the lighttight of black; Its absorption to light is good, so light can not propagated in stilt 104 and refraction effect takes place, and the volume reflections of light on stilt 104 surface also can reduce greatly; Especially for the light of vertical liquid crystal light valve incident even less than reflection and refraction effect; And the test liquid crystal light valve during for the amount of diffusion of light the general laser of vertical liquid crystal light valve incident that adopts measure, when test, the amount of diffusion of liquid crystal light valve is almost nil.So the disclosed liquid crystal light valve of present embodiment can reduce light to greatest extent through the amount of diffusion behind the liquid crystal light valve; Improve the optical property of light valve product, the phenomenon generation of deviation takes place in the position of having avoided the article that injury that diffused light causes staff's eyes and staff see and the position of actual object and size.
Present embodiment is to adopt photoetching method when making stilt 104; Earlier acryl resin is coated on first electrode layer, 107 surfaces; Form acrylate resin layer, the mask that will have the stilt figure then is covered on the acrylate resin layer makes public, and on said acryl resin laminar surface, forms the stilt pattern; After developing, remove the acryl resin in the stilt area of the pattern, form stilt 104.Above support 104 is fitted on said first electrode layer 107 surfaces; Can as spherical stilt, under the effect of external force, not move; And when making; Can be evenly distributed in first substrate, 101 surfaces through the control of the figure on mask stilt 104, and owing to above support 104 was fixed on said first electrode layer 107, so this structure had both guaranteed the uniformity consistency of thickness of liquid crystal layer; Increased the anti-pressure ability of liquid crystal light valve again, can avoid colliding the liquid crystal light valve that causes to a certain extent and damage.
Need to prove that said acrylic resin insulation property is good, but it has inflammability and has penetrating odor, so when making stilt 104, need take measures with safeguard work personnel's safety.
In addition, as shown in Figure 4, above support can also be the spherical stilt 111 of black.At this moment, the spherical particle that above support 111 can utilize existing white and have certain light transmission is processed its surperficial painted black with coating, and then is sprayed onto on the substrate according to conventional method.Need to prove that performance and photo absorption performance that said coating can not influence liquid crystal are good.In addition, above support 111 can also carry out processing grinding and obtains through the material of selecting black for use.
Above-mentioned spherical stilt 111 can not change existing equipment and can produce.But, spherically want big than the reflective surface area of column, so present embodiment is preferentially selected for use and utilized the dark circles columnar supports 104 that photoetching method makes or the black columnar supports of black truncated cone-shaped stilt 110 or other shapes for the reflection of light area.
Description to liquid crystal light valve among each embodiment of the utility model emphasizes particularly on different fields a little, relevant, similarity reference each other.
The above only is the preferred implementation of the utility model; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; Can also make some improvement and retouching, these improvement and retouching also should be regarded as the protection domain of the utility model.
Claims (9)
1. a liquid crystal light valve is characterized in that, comprising:
First substrate that is oppositely arranged and second substrate;
Be arranged on liquid crystal layer, stilt and fluid sealant frame between first substrate and second substrate;
Wherein, above support is the black stilt.
2. according to the said liquid crystal light valve of claim 1, it is characterized in that above support is a cylindricality.
3. according to the said liquid crystal light valve of claim 2, it is characterized in that above support is cylindrical.
4. according to the said liquid crystal light valve of claim 2, it is characterized in that above support is a truncated cone-shaped.
5. according to the said liquid crystal light valve of claim 2, it is characterized in that above support is a terrace with edge shape.
6. according to the said liquid crystal light valve of claim 3, it is characterized in that the diameter of above support is 2.5 μ m-6.0 μ m, height is 2.5 μ m-6.0 μ m.
7. according to the said liquid crystal light valve of claim 1, it is characterized in that above support is evenly distributed between said first substrate and second substrate.
8. according to the said liquid crystal light valve of claim 1, it is characterized in that the distribution density of above support is 30/mm
2～50/mm
2
9. according to the said liquid crystal light valve of claim 1, it is characterized in that the material of above support is an acryl resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200152941U CN202486473U (en) | 2012-01-12 | 2012-01-12 | Liquid crystal light valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200152941U CN202486473U (en) | 2012-01-12 | 2012-01-12 | Liquid crystal light valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202486473U true CN202486473U (en) | 2012-10-10 |
Family
ID=46960882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200152941U Expired - Lifetime CN202486473U (en) | 2012-01-12 | 2012-01-12 | Liquid crystal light valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202486473U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103091897A (en) * | 2013-02-01 | 2013-05-08 | 信利半导体有限公司 | Liquid crystal display device |
| CN105629534A (en) * | 2016-03-17 | 2016-06-01 | 深圳市锐丽创科技有限公司 | Display module and convertible peep-prevention displayer |
| CN110286525A (en) * | 2019-07-29 | 2019-09-27 | 京东方科技集团股份有限公司 | Display base plate, display panel and display device |
| WO2021109230A1 (en) * | 2019-12-02 | 2021-06-10 | 深圳市华星光电半导体显示技术有限公司 | Micro light emitting diode transfer device and micro light emitting diode transfer method |
-
2012
- 2012-01-12 CN CN2012200152941U patent/CN202486473U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103091897A (en) * | 2013-02-01 | 2013-05-08 | 信利半导体有限公司 | Liquid crystal display device |
| CN103091897B (en) * | 2013-02-01 | 2015-08-12 | 信利半导体有限公司 | A kind of liquid crystal indicator |
| CN105629534A (en) * | 2016-03-17 | 2016-06-01 | 深圳市锐丽创科技有限公司 | Display module and convertible peep-prevention displayer |
| CN105629534B (en) * | 2016-03-17 | 2019-04-23 | 深圳市锐丽创科技有限公司 | Display module and reversible type peep-proof display |
| CN110286525A (en) * | 2019-07-29 | 2019-09-27 | 京东方科技集团股份有限公司 | Display base plate, display panel and display device |
| WO2021018024A1 (en) * | 2019-07-29 | 2021-02-04 | 京东方科技集团股份有限公司 | Display substrate, display panel and display device |
| CN110286525B (en) * | 2019-07-29 | 2021-11-16 | 京东方科技集团股份有限公司 | Display substrate, display panel and display device |
| US11402565B2 (en) * | 2019-07-29 | 2022-08-02 | Boe Technology Group Co., Ltd. | Display substrate, display panel and display device |
| WO2021109230A1 (en) * | 2019-12-02 | 2021-06-10 | 深圳市华星光电半导体显示技术有限公司 | Micro light emitting diode transfer device and micro light emitting diode transfer method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121010 |
|
| CX01 | Expiry of patent term |