CN202677021U - Liquid crystal display (LCD) panel, stereoscopic image display and polaroid glasses - Google Patents
Liquid crystal display (LCD) panel, stereoscopic image display and polaroid glasses Download PDFInfo
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- CN202677021U CN202677021U CN2012201209383U CN201220120938U CN202677021U CN 202677021 U CN202677021 U CN 202677021U CN 2012201209383 U CN2012201209383 U CN 2012201209383U CN 201220120938 U CN201220120938 U CN 201220120938U CN 202677021 U CN202677021 U CN 202677021U
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Abstract
The utility model provides a liquid crystal display (LCD) panel, a stereoscopic image display and polaroid glasses. The LCD panel, the stereoscopic image display and the polaroid glasses aim to resolve the problem that three dimensional (3D) images offered by polarized 3D displays are poor in confidentiality in the prior art. The LCD panel comprises an array substrate, a quarter phase difference film and a polarized layer which implements polarization treatment for incident light produced by light source of the LCD panel, wherein the array substrate comprises a first substrate; the polarized layer is composed of lower polarizers disposed on the first substrate; the quarter phase difference film is arranged behind the polarized layer along with an incidence direction of the incident light; by linearly polarized light of the lower polarizers and through the quarter phase difference film, the linearly polarized light at odd rows is changed into left circularly polarized light and the linearly polarized light at even rows is changed into right circularly polarized light; and finally emergent light deflected by a LCD layer is still the circularly polarized light. Due to the fact that light intensity of various propagation directions of the circularly polarized light is the same, if observers do not wear the polaroid glasses, the observers can not see any images except for a bright screen.
Description
Technical field
The utility model relates to field of liquid crystal, refers to especially a kind of liquid crystal panel, stereoscopic image display and polaroid glasses.
Background technology
It is a developing direction in following demonstration field that the 3D stereo-picture shows, and spectacle 3D is simple owing to implementation, and stereoeffect is good, becomes present 3D main product.Polarization type 3D display of the prior art comprises the liquid crystal layer between array (Array) infrabasal plate, color film (CF) upper substrate, two substrates as shown in Figure 1, and array base palte comprises: lower polaroid 1, first substrate 2, pixel layer 3, oriented layer 4.Color membrane substrates comprises: oriented layer 4, transparency conducting layer 5, color film 6, second substrate 7, upper polaroid 8, shield bars 9 and 1/4th phase retardation films 10, wherein the Array infrabasal plate is pasted with 135 ° of lower polaroids (lower Pol) near place backlight, the CF upper substrate outside attaches 45 ° of upper polaroids (upper Pol), upper 1/4th phase retardation films that attach of upper Pol.3D rendering information is through being the consistent linearly polarized light in parity rows polarization direction before 1/4th phase retardation films, and behind 1/4th phase retardation films, the odd-numbered line linearly polarized light is converted to left circularly polarized light, and the even number line linearly polarized light is converted to right-circularly polarized light.Certainly above-mentioned is exemplary explanation, and odd-numbered line not necessarily leaves no choice but be converted to left circularly polarized light, right-circularly polarized light also can, as long as guarantee that the parity rows emergent light is different.When wearing polaroid glasses, be provided with left-handed 1/4th phase retardation films on the eyeglass, be provided with dextrorotation 1/4th phase retardation films on another eyeglass, such eyes can only receive odd line signal, and another eyes can only receive even line signal.
Owing to through the circularly polarized light before polaroid glasses 1/4th phase retardation films strong and weak difference being arranged, so when not wearing polaroid glasses, human eye still can be seen the image information of ghost image.Sometimes the user watches the need to be keep secret of 3D image in public, however present spectacle 3D, not only the wearing spectacles person can see the 3D image, bore hole beholder can see the ghost images after right and left eyes is crosstalked simultaneously, can't satisfy the requirement of individual privacy.
This shows in the prior art to exist the problem that it is poor that the 3D image that polarization type 3D display provides is maintained secrecy.
The utility model content
The purpose of this utility model is for there being the secret poor problem of the 3D image that polarization type 3D display provides in the prior art.The utility model embodiment provides a kind of liquid crystal panel, this liquid crystal panel, comprise array base palte, 1/4th phase retardation films and the polarizing layer that the incident light that the liquid crystal panel light source produces is carried out the polarisation processing, array base palte comprises first substrate, polarizing layer is comprised of the lower polaroid that is arranged on the first substrate, incident direction along incident light, / 4th phase retardation films are arranged on after the polarizing layer, / 4th phase retardation film phase delay directions are left-handed regional corresponding the first pixel region, and the phase delay direction is regional corresponding second pixel region of dextrorotation.
Further, the polarizing angle of lower polaroid is 135 degree.
Further, 1/4th phase retardation films are arranged on the array base palte, form secret note by gate line at 1/4th phase retardation films.
Further, array base palte is followed successively by along the incident direction of incident light, lower polaroid, first substrate, pixel layer, 1/4th phase retardation films and oriented layer.
Further, 1/4th phase retardation films are arranged on the color membrane substrates, form secret note by black matrix at 1/4th phase retardation films.
Further, color membrane substrates is followed successively by along the incident direction of incident light, oriented layer, transparency conducting layer, 1/4th phase retardation films, color film and second substrate.
Further, the first pixel region is the pixel region of odd-numbered line, and the second pixel region is the pixel region of even number line.
The utility model embodiment also provides a kind of stereo image liquid crystal display, is provided with as the aforementioned liquid crystal panel on the body of liquid crystal display.
The utility model embodiment also provides a kind of polaroid glasses, comprise two eyeglasses, be provided with left-handed 1/4th phase retardation films and the first eyeglass polaroid on the eyeglass, be provided with dextrorotation 1/4th phase retardation films and the second eyeglass polaroid on another eyeglass, wherein the first eyeglass polaroid is arranged at, the emergent light of liquid crystal display is through bright dipping one side of left-handed 1/4th phase retardation films, the second eyeglass polaroid is arranged at, the emergent light of liquid crystal display is through bright dipping one side of dextrorotation 1/4th phase retardation films, and the polarizing angle of the polarizing angle of the first eyeglass polaroid and the second eyeglass polaroid differs 90 degree.
Further, left-handed 1/4th phase retardation films and the first eyeglass polaroid are arranged on a side of an eyeglass, and dextrorotation 1/4th phase retardation films and the second eyeglass polaroid are arranged on a side of another eyeglass.
Further, the polarizing angle of the first eyeglass polaroid is 135 degree, and the polarizing angle of the second eyeglass polaroid is 45 degree.Corresponding to lower polaroid, the polarizing angle of the first eyeglass polaroid also is not limited to 135 °, and the polarizing angle of the second eyeglass polaroid also is not limited to 45 °, as long as another and a lower polaroid quadrature parallel with lower polaroid.
Linearly polarized light by polaroid under the array base palte, behind 1/4th phase retardation films, the linearly polarized light of corresponding the first pixel region such as odd-numbered line is converted into left circularly polarized light, the linearly polarized light of corresponding the second pixel region such as even number line is converted into right-circularly polarized light, still is circularly polarized light finally by the emergent light after the liquid crystal layer deflection.Because the light intensity of each direction of propagation of circularly polarized light is the same, at this moment, if the observer does not wear polaroid glasses, then will sees shinny screen and can't see any image; After if the observer wears polaroid glasses, the emergent light of 3D liquid crystal display is through respectively left-handed 1/4th phase retardation films on two eyeglasses of glasses and dextrorotation 1/4th phase retardation films, then the left circularly polarized light of odd-numbered line can only receive by left eye, the right-circularly polarized light of even number line can only receive by right eye, change the vertical linearly polarized light in polarization direction into through the polaroid circularly polarized light on the right and left eyes eyeglass again, thereby left eye receives only the signal of odd-numbered line, right eye receives only the signal of even number line, has realized that finally the peep-proof of 3D rendering shows.
Description of drawings
Fig. 1 represents the liquid crystal panel structure figure that prior art provides;
Fig. 2 represents the first embodiment liquid crystal panel structure figure that the utility model provides;
Fig. 3 represents the second embodiment liquid crystal panel structure figure that the utility model provides;
Fig. 4 represents the polaroid glasses structural drawing that the utility model provides.
Embodiment
For technical matters, technical scheme and advantage that embodiment of the present utility model will be solved is clearer, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
The liquid crystal panel that the utility model provides, comprise array base palte, 1/4th phase retardation films and the polarizing layer that the incident light that the liquid crystal panel light source produces is carried out the polarisation processing, array base palte comprises first substrate, polarizing layer is comprised of the lower polaroid that is arranged on the first substrate, incident direction along incident light, / 4th phase retardation films are arranged on after the polarizing layer, / 4th phase retardation film phase delay directions are left-handed regional corresponding the first pixel region, and the phase delay direction is regional corresponding second pixel region of dextrorotation.
The first embodiment that the utility model provides is that 1/4th phase retardation films are arranged on the Array substrate.
As shown in Figure 2, the structure of this peep-proof type 3D display comprises the array infrabasal plate, the CF upper substrate, liquid crystal layer between two substrates, wherein the first substrate 2 of array infrabasal plate is pasted with 135 ° of lower polaroids 1 near place backlight, certain 135 ° be exemplary explanation also can be 120 ° or 75 °, lower polaroid 1 namely descends Pol to carry out the polarizing layer that polarisation is processed as the incident light that the liquid crystal panel light source is produced, namely polarizing layer is comprised of the lower polaroid that is arranged on the array base palte, be followed successively by TFT pixel layer 3 on the first substrate 2, / 4th phase retardation film layers 10, oriented layer 4./ 4th phase retardation films namely form secret note by gate line at 1/4th phase retardation films by gate line (gate line) is spaced apart successively, secret note is divided into different zones with 1/4th phase retardation films, each zone is corresponding one by one with pixel region, and the phase delay direction in the zone of corresponding odd-numbered line pixel region is left-handed, the phase delay direction in the zone of corresponding even number line pixel region is dextrorotation, certainly such scheme is just as the exemplary explanation of preferred version, and secret note is just for fear of phase delay direction left-handed light and the mutually mutual interference of the cextrorotory light in phase delay side./ 4th phase retardation film phase delay directions are left-handed regional corresponding the first pixel region, the phase delay direction is regional corresponding second pixel region of dextrorotation, the first pixel region can be the pixel region of odd-numbered line as aforementioned, the second pixel region can be the pixel region of even number line, the first pixel region and the second pixel region also can be the pixel regions of two row of being separated by, for example the first pixel region can be the pixel region of 1,2,5,6,9,10 row, and the first pixel region can be the pixel region of 3,4,7,8,11,12 row.Or first pixel region and the second pixel region can also be, the pixel region in left side is the first pixel region, the pixel region on right side is the second pixel region.The CF substrate is followed successively by oriented layer 4 near liquid crystal layer one side, transparency conducting layer 5, and color film 6, second substrate 7 does not wherein arrange 45 ° of polaroids outside the second substrate 7 and namely goes up Pol.
Principle of work is: by the linearly polarized light of polaroid under the Array substrate, behind 1/4th phase retardation films, the linearly polarized light of odd-numbered line changes left circularly polarized light into, and the linearly polarized light of even number line is converted into right-circularly polarized light, still is circularly polarized light finally by the emergent light after the liquid crystal layer deflection.Because the light intensity of each direction of propagation of circularly polarized light is the same, at this moment, if the observer does not wear polaroid glasses, then will sees shinny screen and can't see any image; After if the observer wears polaroid glasses, the emergent light of 3D liquid crystal display is through the quarter wave plate on the glasses, then the left circularly polarized light of odd-numbered line can only receive by left eye, the right-circularly polarized light of even number line can only receive by right eye, change the vertical linearly polarized light in polarization direction into through the polaroid circularly polarized light on the right and left eyes eyeglass again, thereby left eye receives only the signal of odd-numbered line, and right eye receives only the signal of even number line, has realized that finally the peep-proof of 3D rendering shows.
The second embodiment that the utility model provides is that 1/4th phase retardation films are arranged on the CF substrate.
As shown in Figure 3, the structure of this peep-proof type 3D display comprises the liquid crystal layer between array infrabasal plate, CF upper substrate, two substrates, wherein the first substrate 2 of Array infrabasal plate is pasted with 135 ° of lower polaroids 1 near place backlight, is followed successively by TFT pixel layer 3 on the first substrate 2, oriented layer 4.The CF substrate is followed successively by oriented layer 4 near liquid crystal layer one side, transparency conducting layer 1/5th, four phase retardation film 10, and color film 6, second substrate 7 does not arrange 45 ° of polaroids outside the second substrate 7./ 4th phase retardation films namely form secret note by black matrix at 1/4th phase retardation films by black matrix is spaced apart successively, secret note is corresponding one by one with pixel region with the zones of different that 1/4th phase retardation films are divided into, and the phase delay direction in the zone of corresponding odd-numbered line pixel region is left-handed, and the phase delay direction in the zone of corresponding even number line pixel region is dextrorotation.
Principle of work is: by the linearly polarized light of polaroid under the Array substrate, behind 1/4th phase retardation films, the linearly polarized light of odd-numbered line changes left circularly polarized light into, and the linearly polarized light of even number line is converted into right-circularly polarized light, still is circularly polarized light finally by the emergent light after the liquid crystal layer deflection.Because the light intensity of each direction of propagation of circularly polarized light is the same, at this moment, if the observer does not wear polaroid glasses, then will sees shinny screen and can't see any image; After if the observer wears polaroid glasses, the emergent light of 3D liquid crystal display is through the quarter wave plate on the glasses, then the left circularly polarized light of odd-numbered line can only receive by left eye, the right-circularly polarized light of even number line can only receive by right eye, change the vertical linearly polarized light in polarization direction into through the polaroid circularly polarized light on the right and left eyes eyeglass again, thereby left eye receives only the signal of odd-numbered line, and right eye receives only the signal of even number line, has realized that finally the peep-proof of 3D rendering shows.
The 3rd embodiment that the utility model provides is a kind of stereo image liquid crystal display, is provided with as the aforementioned liquid crystal panel on the body of liquid crystal display.Body can be the support frame of liquid crystal display etc.
The 4th embodiment that the utility model provides as shown in Figure 4, a kind of polaroid glasses, comprise two eyeglasses 12, be disposed with left-handed 1/4th phase retardation film 11A and the first eyeglass polaroid 13A on the eyeglass 12, be disposed with dextrorotation 1/4th phase retardation film 11B and the second eyeglass polaroid 13B on another eyeglass 12, wherein the first eyeglass polaroid 13A is arranged at, the emergent light of liquid crystal display is through bright dipping one side of left-handed 1/4th phase retardation film 11A, the second eyeglass polaroid 13B is arranged at, the emergent light of liquid crystal display is through bright dipping one side of dextrorotation 1/4th phase retardation film 11B, and the polarizing angle of the first eyeglass polaroid 13A and the second eyeglass polaroid 13B differs 90 degree.Preferably, left-handed 1/4th phase retardation film 11A and the first eyeglass polaroid 13A are arranged on a side of an eyeglass 12, and dextrorotation 1/4th phase retardation film 11B and the second eyeglass polaroid 13B are arranged on a side of another eyeglass 12.Preferably, the polarizing angle of the first eyeglass polaroid is 135 degree, and the polarizing angle of the second eyeglass polaroid is 45 degree.
It should be noted that at last: above embodiment is only in order to the technical solution of the utility model to be described but not limit it, although with reference to preferred embodiment the utility model is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment or be equal to replacement the technical solution of the utility model, and these modifications or be equal to replacement and also can not make amended technical scheme break away from the spirit and scope of technical solutions of the utility model.
Claims (11)
1. liquid crystal panel, it is characterized in that, comprise array base palte, 1/4th phase retardation films and the polarizing layer that the incident light that the liquid crystal panel light source produces is carried out the polarisation processing, array base palte comprises first substrate, polarizing layer is comprised of the lower polaroid that is arranged on the first substrate, incident direction along incident light, / 4th phase retardation films are arranged on after the polarizing layer, / 4th phase retardation film phase delay directions are left-handed regional corresponding the first pixel region, and the phase delay direction is regional corresponding second pixel region of dextrorotation.
2. liquid crystal panel according to claim 1 is characterized in that, 1/4th phase retardation films are arranged on the array base palte, forms secret note by gate line at 1/4th phase retardation films.
3. liquid crystal panel according to claim 2 is characterized in that, array base palte is followed successively by along the incident direction of incident light, lower polaroid, first substrate, pixel layer, 1/4th phase retardation films and oriented layer.
4. liquid crystal panel according to claim 1 is characterized in that, 1/4th phase retardation films are arranged on the color membrane substrates, forms secret note by black matrix at 1/4th phase retardation films.
5. liquid crystal panel according to claim 4 is characterized in that, color membrane substrates is followed successively by along the incident direction of incident light, oriented layer, transparency conducting layer, 1/4th phase retardation films, color film and second substrate.
6. according to claim 1 to the described liquid crystal panel of 5 arbitrary claims, it is characterized in that, the polarizing angle of lower polaroid is 135 degree.
7. according to claim 1 to the described liquid crystal panel of 5 arbitrary claims, it is characterized in that, the first pixel region is the pixel region of odd-numbered line, and the second pixel region is the pixel region of even number line.
8. a stereo image liquid crystal display is characterized in that, is provided with on the body of liquid crystal display such as the described liquid crystal panel of the arbitrary claim of claim 1-7.
9. polaroid glasses, it is characterized in that, comprise two eyeglasses, be provided with left-handed 1/4th phase retardation films and the first eyeglass polaroid on the eyeglass, be provided with dextrorotation 1/4th phase retardation films and the second eyeglass polaroid on another eyeglass, wherein the first eyeglass polaroid is arranged at, the emergent light of liquid crystal display is through bright dipping one side of left-handed 1/4th phase retardation films, the second eyeglass polaroid is arranged at, the emergent light of liquid crystal display is through bright dipping one side of dextrorotation 1/4th phase retardation films, and the polarizing angle of the polarizing angle of the first eyeglass polaroid and the second eyeglass polaroid differs 90 degree.
10. polaroid glasses according to claim 9 is characterized in that, left-handed 1/4th phase retardation films and the first eyeglass polaroid are arranged on a side of an eyeglass, and dextrorotation 1/4th phase retardation films and the second eyeglass polaroid are arranged on a side of another eyeglass.
11. polaroid glasses according to claim 9 is characterized in that, the polarizing angle of the first eyeglass polaroid is 135 degree, and the polarizing angle of the second eyeglass polaroid is 45 degree.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012201209383U CN202677021U (en) | 2012-03-27 | 2012-03-27 | Liquid crystal display (LCD) panel, stereoscopic image display and polaroid glasses |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012201209383U CN202677021U (en) | 2012-03-27 | 2012-03-27 | Liquid crystal display (LCD) panel, stereoscopic image display and polaroid glasses |
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