CN103207470B - LCDs and liquid crystal display method - Google Patents
LCDs and liquid crystal display method Download PDFInfo
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- CN103207470B CN103207470B CN201210007496.6A CN201210007496A CN103207470B CN 103207470 B CN103207470 B CN 103207470B CN 201210007496 A CN201210007496 A CN 201210007496A CN 103207470 B CN103207470 B CN 103207470B
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Abstract
Provide a kind of LCDs and liquid crystal display method.Described LCDs comprises: back light unit, for sending white light as area source; First optical texture, comprises the first optical unit array, and it has multiple first optical unit; Liquid crystal pixel array, comprises multiple liquid crystal pixel; Second optical texture, comprises the second optical unit array, and it has multiple second optical unit.First optical unit, liquid crystal pixel and the second optical unit are corresponding uniquely.Each first optical unit is for the white light that receives back light unit and send and produce multi beam polarized light, and the polarized light of often restrainting in described multi beam polarized light has a kind of color in the color of the first quantity, and the color of described first quantity does not comprise white.Each liquid crystal pixel comprises the liquid crystal sub-pixel of the second quantity, wherein, each liquid crystal sub-pixel at least partially in liquid crystal sub-pixel receives the polarized light with the first predetermined polarisation direction of corresponding color from the first optical unit of its correspondence and produces postrotational polarized light.Each second optical unit receives the postrotational polarized light that produced by the liquid crystal sub-pixel of its correspondence and through the polarized light with the second predetermined polarisation direction.
Description
Technical field
The present invention relates to lcd technology, more specifically, relate to a kind of novel LCDs and corresponding liquid crystal display method thereof.
Background technology
In existing LCDs (LCD), by controlling the red sub-pixel in a liquid crystal pixel, green sub-pixels, the Control of Voltage that blue subpixels is gone up separately is irradiated to the yawing moment with the white polarized light of predetermined first polarization direction on corresponding sub-pixel, then through the white polarized light with the second predetermined polarisation direction, then by red, green, blue color filter is respectively through the red polarized light with the second predetermined polarisation direction, green polarized light, blue polarized light, finally synthesize described red polarized light, green polarized light and blue polarized light form the illumination effect of a liquid crystal pixel.
As mentioned above, in existing LCDs, inevitably need red color filter, green color filter, blue color filter.Usually, red color filter, green color filter, blue color filter is provided by color film.The operation preparing color film is quite complicated, and the color film of conventional R/G/B needs, by 5 masking process, to be respectively Red, Green, Blue, Black and ITO.Because need 5 masks, the preparation time therefore often opened needed for color film is longer.
In addition, in existing LCDs cost, the cost shared by color film is about 20%, wherein mainly comprises glass and color film resin used.Because although R/G/B sub-pixel is 1/3 in whole color film glass, need whole to be all coated with when being coated with, there is very large waste, this also makes color film cost higher.
At present, many LCDs production commercial cities adopt (injection) mode of injection to prepare color film in trial, and color film resin is accurately injected in namely required on color film position, is used for reducing costs.But because the shower nozzle being used for injecting color film resin is difficult to accomplish very carefully, to be difficult to realize high resolving power, and shower nozzle problem of easily blocking up need to solve.In addition, because sprayed respectively by color for every bar film when injecting color film resin, although this reduces cost, preparation time is longer, if a color film failure, then needs all to do over again, has very high requirement to apparatus for production line.
Figure 1 illustrates the color film design of TFT pixel in existing common liquid crystals display screen.
Considering that color film cost occupies the considerable part of LCDs cost, therefore imagine a kind of novel LCDs, wherein can realize colored display without the need to adopting color rete simultaneously.
Summary of the invention
Consider the problems referred to above and made the present invention, an object of the present invention is to provide a kind of novel LCDs, it by making it be divided into plurality of color polarized light before white polarizing light irradiation to liquid crystal sub-pixel, and make all polarizing light irradiations of same color on a liquid crystal sub-pixel, thus make the polarized light itself through this liquid crystal sub-pixel be polarized color light, thus without the need to carrying out colour filter through color film again.
According to an aspect of the present invention, provide a kind of liquid crystal display method, comprising: area source sends white light; Produce multi beam polarized light from described white light, the often bundle polarized light in described multi beam polarized light has a kind of color in the color of the first quantity, and the color of described first quantity does not comprise white; Liquid crystal sub-pixel in liquid crystal pixel receives the polarized light with the first predetermined polarisation direction of its corresponding color and produces postrotational polarized light; And through having the polarized light in the second predetermined polarisation direction.
According to a further aspect of the invention, provide a kind of LCDs, comprising: back light unit, for sending white light as area source; First optical texture, comprises the first optical unit array, and it has multiple first optical unit; Liquid crystal pixel array, comprises multiple liquid crystal pixel; Second optical texture, comprises the second optical unit array, and it has multiple second optical unit.First optical unit, liquid crystal pixel and the second optical unit are corresponding uniquely.Each first optical unit is for the white light that receives back light unit and send and produce multi beam polarized light, and the polarized light of often restrainting in described multi beam polarized light has a kind of color in the color of the first quantity, and the color of described first quantity does not comprise white.Each liquid crystal pixel comprises the liquid crystal sub-pixel of the second quantity, wherein, each liquid crystal sub-pixel at least partially in liquid crystal sub-pixel receives the polarized light with the first predetermined polarisation direction of corresponding color from the first optical unit of its correspondence and produces postrotational polarized light.Each second optical unit receives the postrotational polarized light that produced by the liquid crystal sub-pixel of its correspondence and through the polarized light with the second predetermined polarisation direction.
LCDs according to the embodiment of the present invention carries out color filtering without the need to color film, and the light exported from each sub-pixel can be directly combined as the output color of pixel.This greatly reduces the cost of LCDs, simplifies the manufacturing process of LCDs.
Accompanying drawing explanation
Embodiments of the present invention is described in detail in conjunction with the drawings, and above and other objects of the present invention, feature and advantage will become apparent, wherein:
Fig. 1 shows the color film design of TFT pixel in existing common liquid crystals display screen.
Fig. 2 is the schematic diagram of the LCDs illustrated according to a first embodiment of the present invention.
Fig. 3 is the schematic diagram of the LCDs illustrated according to a second embodiment of the present invention.
Fig. 4 is the schematic diagram of the LCDs illustrated according to a third embodiment of the present invention.
Fig. 5 illustrates the schematic diagram to according to the improvement of prism structure in the present invention the first to the three embodiment.
Fig. 6 is the schematic diagram of the liquid crystal display method illustrated according to the embodiment of the present invention.
Specific implementation
LCDs according to the embodiment of the present invention and liquid crystal display method thereof are described below with reference to accompanying drawings.Be to be understood that: the embodiments described herein is only illustrative, and should not be interpreted as limiting the scope of the invention.
The color membrane structure figure of TFT pixel in existing common liquid crystals display screen has been shown in Fig. 1.As can be seen from Figure 1, the color film of R, G, B is approximately 1/3 in whole color film glass.As shown in fig. 1, between two sub-pixels, arrange black matrix", be used for blocking the other metal routing of sub-pixel.This is because the liquid crystal of metal routing correspondence position does not deflect, if do not block the other metal routing of sub-pixel, then the color display of pixel will go wrong.
Next, with reference to figure 2-Fig. 5, the LCDs according to the embodiment of the present invention is described.
LCDs according to the embodiment of the present invention comprises: back light unit, the first optical texture, liquid crystal pixel array and the second optical texture.
Described back light unit is used for sending white light as area source.Described backlight can comprise pointolite and light guide plate, and described pointolite can be light emitting diode (LED), cold-cathode fluorescence lamp (CCFL) etc.
Described first optical texture is used for producing polarized color light from described white light, and produced polarized color light is imported corresponding liquid crystal sub-pixel.Should note, the polarized color light being imported into or being irradiated to a liquid crystal sub-pixel is all the polarized color light of same color, such as, the polarized color light being irradiated to the first liquid crystal sub-pixel is all red polarized light, the polarized color light being irradiated to the second liquid crystal sub-pixel is all green polarized light, and the polarized color light being irradiated to the 3rd liquid crystal sub-pixel is all blue polarized light.Described first optical texture comprises the first optical unit array, and it has multiple first optical unit.
Described liquid crystal pixel array comprises multiple liquid crystal pixel, and each liquid crystal pixel is made up of the liquid crystal sub-pixel of the second quantity.Such as, each liquid crystal pixel is made up of red, green and blue liquid crystal sub-pixel.Alternatively, each liquid crystal pixel can also be made up of red, green, blue and white liquid crystal sub-pixel.
Described second optical texture is used for the polarized light component with predetermined second polarization direction of the polarized color light that transmission appears from each liquid crystal pixel.Described second optical texture comprises the second optical unit array, and it has multiple second optical unit.
Should be appreciated that, first optical unit, liquid crystal pixel and the second optical unit are corresponding uniquely, in other words, first optical unit only corresponds to a liquid crystal pixel, a liquid crystal pixel only corresponds to second optical unit, second optical unit only corresponds to a liquid crystal pixel, and a liquid crystal pixel also only corresponds to first optical unit.
Each first optical unit is for the white light that receives back light unit and send and produce multi beam polarized light, and the polarized light of often restrainting in described multi beam polarized light has a kind of color in the color of the first quantity, and the color of described first quantity does not comprise white.
Each liquid crystal pixel comprises the liquid crystal sub-pixel of the second quantity, wherein, each liquid crystal sub-pixel at least partially in liquid crystal sub-pixel receives the polarized light with the first predetermined polarisation direction of corresponding color from the first optical unit of its correspondence and produces postrotational polarized light.
Each second optical unit receives the postrotational polarized light that produced by the liquid crystal sub-pixel of its correspondence and through the polarized light with the second predetermined polarisation direction.
Described first optical unit can comprise: the first polarisation unit, for receiving described white light, and through having the white polarized light in the first predetermined polarisation direction; Spectrophotometric unit, for receiving the white polarized light that described first polarisation unit produces, and produces described multi beam polarized light; And first glass substrate, for supporting liquid crystal pixel.
First polarisation unit and spectrophotometric unit can be provided discretely, such as, the first polarisation unit is provided as one deck, and spectrophotometric unit is provided as another layer be placed on this first polarisation elementary layer.
Alternatively, described first optical unit comprises: the first polarisation unit, and for receiving described white light and producing described multi beam polarized light, described multi beam polarized light has the first predetermined polarisation direction; And first glass substrate, for supporting liquid crystal cells.In the case, described first polarisation unit comprises the structure of the spectrophotometric unit for generation of described multi beam polarized light.In other words, the layer of described first polarisation unit is integrated with spectrophotometric unit.
Fig. 2 shows the schematic diagram of LCDs according to a first embodiment of the present invention.As shown in Figure 2, spectrophotometric unit is shown as prism, and the light be irradiated on prism can be white polarized light or white light, therefore, can be understood as: in the figure of Fig. 2, eliminate the first polarisation unit, or the first polarisation unit and prism integrate in the figure of Fig. 2.No matter being which kind of situation, is all multi beam polarized light from the light of prism injection, wherein often restraints polarized light and has one of color of described first quantity.
Such as, each liquid crystal pixel comprises the first liquid crystal sub-pixel, the second liquid crystal sub-pixel and the 3rd liquid crystal sub-pixel, and the color of described first quantity comprises the first color, the second color and the 3rd color.The polarized light of the first color is irradiated on the first liquid crystal sub-pixel, and the polarized light of the second color is irradiated on the second liquid crystal sub-pixel, and the polarized light of the 3rd color is irradiated on the 3rd liquid crystal sub-pixel.
Again alternatively, described first optical unit comprises: the first polarisation unit, for receiving described white light, and through having the white polarized light in the first predetermined polarisation direction; And first glass substrate, for receiving white polarized light that described first polarisation unit produces and producing described multi beam polarized light, and for supporting liquid crystal cells.In the case, described first glass substrate comprises the structure of the spectrophotometric unit for generation of described multi beam polarized light.In other words, the first glass substrate (that is, the lower-glass in Fig. 2) has carved the structure of spectrophotometric unit.Such as, etch the groove array of prism shape on the surface in the up/down of lower-glass, to realize light splitting object of the present invention.Etched the groove array of prism shape by the up/down at lower-glass on the surface, can save independent parts, make the thickness of LCDs thinner, cost is lower.
In the case, be appreciated that and eliminate the first polarisation unit in fig. 2, but exaggerate the distance between prism and lower-glass.
Again alternatively, described first optical unit can comprise: spectrophotometric unit, and for received white light is divided into multi-beam, the every Shu Guang in described multi-beam has a kind of color in the color of the first quantity; First polarisation unit of the first quantity, corresponds respectively to the color of described first quantity, each first polarisation unit for receiving the light of corresponding color, and through having the polarized light of corresponding color in the first predetermined polarisation direction; And first glass substrate, for supporting liquid crystal cells.
In the case, be appreciated that in Fig. 2 that the light being irradiated to prism is white light, after prism, create the light of the color of the first quantity, the light of the light of such as the first color, the light of the second color and the 3rd color.The illumination of described first color is mapped to and is converted into the polarized light of the first color with on the first polarisation unit corresponding with the first liquid crystal sub-pixel be attached on lower-glass, and is then irradiated on the first liquid crystal sub-pixel.In like manner, the illumination of described second color is mapped to and is converted into the polarized light of the second color with on the first polarisation unit corresponding with the second liquid crystal sub-pixel be attached on lower-glass, and is then irradiated on the second liquid crystal sub-pixel; The illumination of described 3rd color is mapped to and is converted into the polarized light of the 3rd color with on the first polarisation unit corresponding with the 3rd liquid crystal sub-pixel be attached on lower-glass, and is then irradiated on the 3rd liquid crystal sub-pixel.
Should note, consider the size because usually designing prism such as the distance between each sub-pixel, distance between sub-pixel and prism, thus ensure: only the polarizing light irradiation of the first color is on the first liquid crystal sub-pixel, only the polarizing light irradiation of the second color is on the second liquid crystal sub-pixel, and only the polarizing light irradiation of the 3rd color is on the 3rd liquid crystal sub-pixel.
Fig. 3 shows the schematic diagram of LCDs according to a second embodiment of the present invention.As shown in Figure 3, liquid crystal pixel comprises the first liquid crystal sub-pixel, the second liquid crystal sub-pixel and the 3rd liquid crystal sub-pixel, and the color of described first quantity comprises the first color, the second color and the 3rd color.
Described spectrophotometric unit comprises the first prism placed side by side, the second prism and prism, the light be irradiated on prism can be white polarized light or white light, therefore, can be understood as: eliminate the first polarisation unit in the graph in fig. 3, or the first polarisation unit and prism integrate in the graph in fig. 3.No matter being which kind of situation, is all multi beam polarized light from the light of prism injection, wherein often restraints polarized light and has one of color of described first quantity.
As shown in Figure 3, the first prism produces three beams polarized light, corresponds respectively to the first color, the second color and the 3rd color; Second prism produces three beams polarized light, corresponds respectively to the first color, the second color and the 3rd color; Prism produces three beams polarized light, corresponds respectively to the first color, the second color and the 3rd color.
The polarizing light irradiation of the first color that the first prism, the second prism, prism produce is on the first sub-pixel, the polarizing light irradiation of the second color that the first prism, the second prism, prism produce is on the second sub-pixel, and the polarizing light irradiation of the 3rd color that the first prism, the second prism, prism produce is on the 3rd sub-pixel.
Advantageously, design the shape of the first prism, the second prism and prism, make: the polarized light of the first color that the first prism produces vertically is irradiated on the first sub-pixel, the polarized light of the second color that the second prism produces vertically is irradiated on the second sub-pixel, and the polarized light of the 3rd color that prism produces vertically is irradiated on the 3rd sub-pixel.
Alternatively, as described with reference to figure 2, the first polarisation unit and spectrophotometric unit can be provided discretely, such as, the first polarisation unit being provided as one deck, and spectrophotometric unit being provided as another layer be placed on this first polarisation elementary layer.Or can be integrated with spectrophotometric unit on the layer of described first polarisation unit, that is, described first polarisation unit comprises the structure of the spectrophotometric unit for generation of described multi beam polarized light.
Alternatively, be appreciated that and eliminate the first polarisation unit in figure 3, but exaggerate the distance between prism and lower-glass (the first glass substrate).In the case, the structure of the spectrophotometric unit for generation of described multi beam polarized light can be comprised on the first glass substrate.In other words, the first glass substrate has carved the structure of spectrophotometric unit.
Alternatively, be appreciated that the light being irradiated to the first prism is in figure 3 white light, after the first prism, create the light of the color of the first quantity, the light of the light of such as the first color, the light of the second color and the 3rd color.In like manner, the light being irradiated to the second prism is in figure 3 white light, creates the light of the color of the first quantity after the second prism, the light of the light of such as the first color, the light of the second color and the 3rd color; The light being irradiated to prism is in figure 3 white light, creates the light of the color of the first quantity after prism, the light of the light of such as the first color, the light of the second color and the 3rd color.The illumination of all first colors is mapped to and is converted into the polarized light of the first color with on the first polarisation unit corresponding with the first liquid crystal sub-pixel be attached on lower-glass, and is then irradiated on the first liquid crystal sub-pixel.In like manner, the illumination of all second colors is mapped to and is converted into the polarized light of the second color with on the first polarisation unit corresponding with the second liquid crystal sub-pixel be attached on lower-glass, and is then irradiated on the second liquid crystal sub-pixel; The illumination of all 3rd colors is mapped to and is converted into the polarized light of the 3rd color with on the first polarisation unit corresponding with the 3rd liquid crystal sub-pixel be attached on lower-glass, and is then irradiated on the 3rd liquid crystal sub-pixel.
Advantageously, consider the size because usually designing first, second, and third prism such as the distance between each sub-pixel, distance between sub-pixel and prism, thus ensure: only the polarizing light irradiation of the first color is on the first liquid crystal sub-pixel, only the polarizing light irradiation of the second color is on the second liquid crystal sub-pixel, and only the polarizing light irradiation of the 3rd color is on the 3rd liquid crystal sub-pixel.
Although figure 3 illustrates the structure of three prisms and three sub-pixels, it should be understood that, the present invention is not limited thereto, the prism of other quantity can be comprised.
Fig. 4 shows the schematic diagram of LCDs according to a third embodiment of the present invention.As shown in Figure 4, liquid crystal pixel comprises the first liquid crystal sub-pixel, the second liquid crystal sub-pixel, the 3rd liquid crystal sub-pixel and the 4th liquid crystal sub-pixel, and the color of described first quantity comprises the first color, the second color and the 3rd color.
4th liquid crystal sub-pixel is white sub-pixels.Such as, described first liquid crystal sub-pixel is red sub-pixel, and the second liquid crystal sub-pixel is green sub-pixels, and the 3rd liquid crystal sub-pixel is blue subpixels.
Similar to the situation shown in Fig. 3, the polarized light of the first color is vertically irradiated to the first liquid crystal pixel, the brilliant pixel of polarized light vertical irradiation second liquid of the second color, polarized light vertical irradiation the 3rd liquid crystal sub-pixel of the 3rd color.
Meanwhile, also should ensure that only white polarizing light irradiation is to white sub-pixels, and there is no the polarizing light irradiation of other color penetrated from first, second or prism to white sub-pixels.
Although illustrate that the first prism, the second prism and prism produce (polarization) light, (polarization) light of the second color, (polarization) light of the 3rd color of the first color respectively in figs. 3 and 4, but the present invention is not limited thereto.A part for the first prism can be blocked, make its only by (polarization) light vertical irradiation of the first color on the first liquid crystal sub-pixel.In like manner, a part for the first prism can be blocked, make its only by (polarization) light vertical irradiation of the second color on the second liquid crystal sub-pixel; A part for prism can be blocked, make its only by (polarization) light vertical irradiation of the 3rd color on the 3rd liquid crystal sub-pixel.
Fig. 5 shows the schematic diagram according to the improvement of prism structure in the present invention the first to the three embodiment.
Consider that the light that a prism is separated is impure, the ruddiness such as separated through a prism is the ruddiness of 600 ~ 800nm scope.In order to obtain purer ruddiness, namely obtain the ruddiness that wavelength coverage is narrower, such as the ruddiness of 680 ~ 720nm scope.The ruddiness penetrated from the first prism, the second prism, prism can be made again through the 4th prism, 4th prism makes to expect that the red light irradiation of wavelength coverage is in red sub-pixel, and make the red light irradiation of 600 ~ 680nm wavelength coverage on the black matrix" of red sub-pixel side, make the red light irradiation of 720 ~ 800 wavelength coverages on the black matrix" of red sub-pixel opposite side.
In like manner, the green glow penetrated from the first prism, the second prism, prism can be made again through pentaprism, this pentaprism makes to expect that the green glow of wavelength coverage is irradiated in green sub-pixels, and make lower than expecting that the green glow of wavelength coverage is irradiated on the black matrix" of green sub-pixels side, make higher than expecting that the green glow of wavelength coverage is irradiated on the black matrix" of green sub-pixels opposite side.Similarly, the blue light penetrated from the first prism, the second prism, prism can be made again through the 6th prism, 6th prism makes to expect that the blue light illumination of wavelength coverage is on blue subpixels, and make lower than expecting that the blue light illumination of wavelength coverage is on the black matrix" of blue subpixels side, make higher than expecting that the blue light illumination of wavelength coverage is on the black matrix" of blue subpixels opposite side.
Next, describe according to liquid crystal display method 100 of the present invention with reference to Fig. 6.
Liquid crystal display method 100 according to the embodiment of the present invention starts in step S101.
In step S110, area source sends white light.
In step S120, produce multi beam polarized light from described white light, the often bundle polarized light in described multi beam polarized light has a kind of color in the color of the first quantity, and the color of described first quantity does not comprise white.
Next, in step S130, the liquid crystal sub-pixel in liquid crystal pixel receives the polarized light with the first predetermined polarisation direction of its corresponding color and produces postrotational polarized light.
Then, in step S140, through the polarized light with the second predetermined polarisation direction.
Finally, terminate in step S199 according to the liquid crystal display method of the embodiment of the present invention.
Preferably, produce multi beam polarized light from described white light in the step s 120 and comprise following sub-step: produce the white polarized light with the first predetermined polarisation direction from described white light; And produce described multi beam polarized light from described white polarized light.
Alternatively, produce multi beam polarized light from described white light in the step s 120 and comprise following sub-step: described white light is divided into multi-beam, and the every Shu Guang in described multi-beam has a kind of color in the color of the first quantity; And the described multi beam polarized light with the first predetermined polarisation direction is produced respectively from described multi-beam.
The color of described first quantity comprises the first color, the second color and the 3rd color.Produce described multi beam polarized light by spectrophotometric unit from described white polarized light, described spectrophotometric unit comprises a prism.This prism produces three beams polarized light, corresponds respectively to the first color, the second color and the 3rd color.
Preferably, described spectrophotometric unit comprises the first prism placed side by side, the second prism and prism.First prism produces three beams polarized light, corresponds respectively to the first color, the second color and the 3rd color; Second prism produces three beams polarized light, corresponds respectively to the first color, the second color and the 3rd color; Prism produces three beams polarized light, corresponds respectively to the first color, the second color and the 3rd color.The polarized light of the first color that the first prism, the second prism and prism produce is irradiated on the first liquid crystal sub-pixel, the polarized light of the second color that the first prism, the second prism and prism produce is irradiated on the second liquid crystal sub-pixel, and the polarized light of the 3rd color that the first prism, the second prism and prism produce is irradiated on the 3rd liquid crystal sub-pixel.The polarized light belonging to same color that first prism, the second prism and prism produce is irradiated on the liquid crystal sub-pixel of the corresponding color in the liquid crystal sub-pixel of described second quantity.
Alternatively, produce described multi-beam by spectrophotometric unit from described white light, described spectrophotometric unit comprises a prism.This prism produces three-beam, corresponds respectively to the first color, the second color and the 3rd color.
Preferably, described spectrophotometric unit comprises the first prism placed side by side, the second prism and prism.First prism produces three-beam, corresponds respectively to the first color, the second color and the 3rd color; Second prism produces three-beam, corresponds respectively to the first color, the second color and the 3rd color; Prism produces three-beam, corresponds respectively to the first color, the second color and the 3rd color.Then the light of the first color that the first prism, the second prism and prism produce be converted into the polarized light of the first color, and be then irradiated on the first liquid crystal sub-pixel.Then the light of the second color that the first prism, the second prism and prism produce be converted into the polarized light of the second color, and be then irradiated on the second liquid crystal sub-pixel.Then the light of the 3rd color that the first prism, the second prism and prism produce be converted into the polarized light of the 3rd color, and be then irradiated on the 3rd liquid crystal sub-pixel.
Preferably, liquid crystal display method 100 according to the embodiment of the present invention also comprises: the polarized light belonging to the first color that the first prism, the second prism and prism produce is irradiated on the 4th prism, and wherein the polarized light of the first color is through the 4th prism and is irradiated on the first liquid crystal sub-pixel at least partially; The polarized light belonging to the second color that first prism, the second prism and prism produce is irradiated on pentaprism, and wherein the polarized light of the second color is through pentaprism and is irradiated on the second liquid crystal sub-pixel at least partially; And the polarized light belonging to the 3rd color that first prism, the second prism and prism produce is irradiated on the 6th prism, wherein the polarized light of the 3rd color is through the 6th prism and is irradiated on the 3rd liquid crystal sub-pixel at least partially.
Alternatively, liquid crystal display method 100 according to the embodiment of the present invention also comprises: the light belonging to the first color that the first prism, the second prism and prism produce is irradiated on the 4th prism, wherein light transmission the 4th prism of the first color is also converted into the polarized light of same color then at least partially, is then irradiated on described first liquid crystal sub-pixel; The light belonging to the second color that first prism, the second prism and prism produce is irradiated on pentaprism, wherein the light transmission pentaprism of the second color is also converted into the polarized light of same color then at least partially, is then irradiated on described second liquid crystal sub-pixel; And the light belonging to the 3rd color that first prism, the second prism and prism produce is irradiated on the 6th prism, wherein light transmission the 6th prism of the 3rd color is also converted into the polarized light of same color then at least partially, is then irradiated on described 3rd liquid crystal sub-pixel.
LCDs according to the embodiment of the present invention and liquid crystal display method have been described with reference to the drawings above, the combination of prism and polaroid is wherein adopted to create polarized color light, and for a liquid crystal sub-pixel (such as, red sub-pixel) only there is a kind of polarized light of color (such as, red polarized light) be irradiated on it, thus make in LCDs without the need to adopting color film to carry out color filtration.As a result, cost and the manufacture difficulty of LCDs is greatly reduced.
Should be appreciated that the description provided here, those of ordinary skill in the related art can expect these and similar realization or configuration of the present invention.
Although describe some embodiments of the present invention with reference to the accompanying drawings here, should be appreciated that described embodiment is only illustrative, and not restrictive.It will be appreciated by those skilled in the art that when not deviating from the scope and spirit of the present invention limited in claim and equivalent thereof, the change in various forms and details can be made these exemplary embodiments.
Claims (18)
1. a liquid crystal display method, comprising:
Area source sends white light;
Produce multi beam polarized light from described white light, the often bundle polarized light in described multi beam polarized light has a kind of color in the color of the first quantity, and the color of described first quantity does not comprise white;
Liquid crystal sub-pixel in liquid crystal pixel receives the polarized light with the first predetermined polarisation direction of its corresponding color and produces postrotational polarized light; And
Through the polarized light with the second predetermined polarisation direction,
Wherein, each liquid crystal pixel comprises the liquid crystal sub-pixel of the second quantity, wherein, for each liquid crystal pixel, multi beam polarized light is produced by the prism of the second quantity placed side by side, and for each liquid crystal sub-pixel, the polarized light that one of prism of described second quantity produces vertically is irradiated on this liquid crystal sub-pixel, and described second quantity is identical with described first quantity.
2. liquid crystal display method as claimed in claim 1, wherein, produces multi beam polarized light from described white light and comprises:
The white polarized light with the first predetermined polarisation direction is produced from described white light; And
Described multi beam polarized light is produced from described white polarized light.
3. liquid crystal display method as claimed in claim 1, wherein, produces multi beam polarized light from described white light and comprises:
Described white light is divided into multi-beam, and the every Shu Guang in described multi-beam has a kind of color in the color of the first quantity; And
The described multi beam polarized light with the first predetermined polarisation direction is produced respectively from described multi-beam.
4. liquid crystal display method as claimed in claim 2, wherein, the color of described first quantity comprises the first color, the second color and the 3rd color, the prism of described second quantity placed side by side produces described multi beam polarized light from described white polarized light, the prism of described second quantity placed side by side comprises the first prism placed side by side, the second prism and prism
First prism produces three beams polarized light, corresponds respectively to the first color, the second color and the 3rd color;
Second prism produces three beams polarized light, corresponds respectively to the first color, the second color and the 3rd color;
Prism produces three beams polarized light, corresponds respectively to the first color, the second color and the 3rd color;
Wherein, the polarized light belonging to same color that the first prism, the second prism and prism produce is irradiated on the liquid crystal sub-pixel of the corresponding color in the liquid crystal sub-pixel of described second quantity.
5. liquid crystal display method as claimed in claim 3, wherein, the color of described first quantity comprises the first color, the second color and the 3rd color, the prism of described second quantity placed side by side produces described multi-beam from described white light, the prism of described second quantity placed side by side comprises the first prism placed side by side, the second prism and prism
First prism produces three-beam, corresponds respectively to the first color, the second color and the 3rd color;
Second prism produces three-beam, corresponds respectively to the first color, the second color and the 3rd color;
Prism produces three-beam, corresponds respectively to the first color, the second color and the 3rd color;
Wherein, then the light belonging to same color that the first prism, the second prism and prism produce be converted into the polarized light of same color, and be then irradiated on the liquid crystal sub-pixel of the corresponding color in the liquid crystal sub-pixel of described second quantity.
6. liquid crystal display method as claimed in claim 4, wherein, each liquid crystal pixel at least comprises the first liquid crystal sub-pixel, the second liquid crystal sub-pixel and the 3rd liquid crystal sub-pixel,
Described liquid crystal display method also comprises:
The polarized light belonging to the first color that first prism, the second prism and prism produce is irradiated on the 4th prism, and wherein the polarized light of the first color is through the 4th prism and is irradiated on the first liquid crystal sub-pixel at least partially;
The polarized light belonging to the second color that first prism, the second prism and prism produce is irradiated on pentaprism, and wherein the polarized light of the second color is through pentaprism and is irradiated on the second liquid crystal sub-pixel at least partially; And
The polarized light belonging to the 3rd color that first prism, the second prism and prism produce is irradiated on the 6th prism, and wherein the polarized light of the 3rd color is through the 6th prism and is irradiated on the 3rd liquid crystal sub-pixel at least partially.
7. liquid crystal display method as claimed in claim 5, wherein, each liquid crystal pixel at least comprises the first liquid crystal sub-pixel, the second liquid crystal sub-pixel and the 3rd liquid crystal sub-pixel,
Described liquid crystal display method also comprises:
The light belonging to the first color that first prism, the second prism and prism produce is irradiated on the 4th prism, wherein light transmission the 4th prism of the first color is also converted into the polarized light of same color then at least partially, is then irradiated on described first liquid crystal sub-pixel;
The light belonging to the second color that first prism, the second prism and prism produce is irradiated on pentaprism, wherein the light transmission pentaprism of the second color is also converted into the polarized light of same color then at least partially, is then irradiated on described second liquid crystal sub-pixel; And
The light belonging to the 3rd color that first prism, the second prism and prism produce is irradiated on the 6th prism, wherein light transmission the 6th prism of the 3rd color is also converted into the polarized light of same color then at least partially, is then irradiated on described 3rd liquid crystal sub-pixel.
8. a LCDs, comprising:
Back light unit, for sending white light as area source;
First optical texture, comprises the first optical unit array, and it has multiple first optical unit;
Liquid crystal pixel array, comprises multiple liquid crystal pixel;
Second optical texture, comprises the second optical unit array, and it has multiple second optical unit;
Wherein, the first optical unit, liquid crystal pixel and the second optical unit are corresponding uniquely;
Each first optical unit is for the white light that receives back light unit and send and produce multi beam polarized light, and the polarized light of often restrainting in described multi beam polarized light has a kind of color in the color of the first quantity, and the color of described first quantity does not comprise white;
Each liquid crystal pixel comprises the liquid crystal sub-pixel of the second quantity, wherein, each liquid crystal sub-pixel at least partially in liquid crystal sub-pixel receives the polarized light with the first predetermined polarisation direction of corresponding color from the first optical unit of its correspondence and produces postrotational polarized light; And
Each second optical unit receives the postrotational polarized light that produced by the liquid crystal sub-pixel of its correspondence and through the polarized light with the second predetermined polarisation direction,
Wherein, each first optical unit comprises spectrophotometric unit, described spectrophotometric unit comprises the prism of the second quantity placed side by side, for each liquid crystal sub-pixel, the polarized light that one of prism of described second quantity produces vertically is irradiated on this liquid crystal sub-pixel, and described second quantity is identical with described first quantity.
9. LCDs as claimed in claim 8, wherein, described first optical unit also comprises:
First polarisation unit, for receiving described white light, and through having the white polarized light in the first predetermined polarisation direction;
Wherein, described spectrophotometric unit receives the white polarized light that described first polarisation unit produces, and produces described multi beam polarized light; And
First glass substrate, for supporting liquid crystal pixel.
10. LCDs as claimed in claim 8, wherein,
Received white light is divided into multi-beam by described spectrophotometric unit, and the every Shu Guang in described multi-beam has a kind of color in the color of the first quantity;
Described first optical unit also comprises: the first polarisation unit of the first quantity, corresponds respectively to the color of described first quantity, each first polarisation unit for receiving the light of corresponding color, and through having the polarized light of corresponding color in the first predetermined polarisation direction; And
First glass substrate, for supporting liquid crystal cells.
11. LCDs as claimed in claim 8, wherein, described first optical unit also comprises:
First polarisation unit, for receiving described white light, and through having the white polarized light in the first predetermined polarisation direction;
Wherein, first glass substrate comprises the structure of the spectrophotometric unit for generation of described multi beam polarized light, receives the white polarized light of described first polarisation unit generation and produce described multi beam polarized light, and described first glass substrate is also for support liquid crystal cells.
12. LCDs as claimed in claim 8, wherein, described first optical unit also comprises:
First polarisation unit, for receiving described white light and producing described multi beam polarized light, described multi beam polarized light has the first predetermined polarisation direction; And
First glass substrate, for supporting liquid crystal cells, wherein,
Described first polarisation unit comprises the structure of the spectrophotometric unit for generation of described multi beam polarized light.
13. LCDs as described in claim 9 or 11, wherein, the liquid crystal sub-pixel of described second quantity comprises the first liquid crystal sub-pixel, the second liquid crystal sub-pixel and the 3rd liquid crystal sub-pixel, and the color of described first quantity comprises the first color, the second color and the 3rd color;
The prism of described second quantity comprises the first prism, the second prism and prism,
First prism produces three beams polarized light, corresponds respectively to the first color, the second color and the 3rd color;
Second prism produces three beams polarized light, corresponds respectively to the first color, the second color and the 3rd color;
Prism produces three beams polarized light, corresponds respectively to the first color, the second color and the 3rd color;
Wherein, the polarized light belonging to same color that the first prism, the second prism and prism produce is irradiated on the liquid crystal sub-pixel of the corresponding color in the liquid crystal sub-pixel of described second quantity.
14. LCDs as described in claim 10 or 12, wherein, the liquid crystal sub-pixel of described second quantity comprises the first liquid crystal sub-pixel, the second liquid crystal sub-pixel and the 3rd liquid crystal sub-pixel, and the color of described first quantity comprises the first color, the second color and the 3rd color;
The prism of described second quantity comprises the first prism, the second prism and prism,
First prism produces three-beam, corresponds respectively to the first color, the second color and the 3rd color;
Second prism produces three-beam, corresponds respectively to the first color, the second color and the 3rd color;
Prism produces three-beam, corresponds respectively to the first color, the second color and the 3rd color;
Wherein, the light belonging to same color that the first prism, the second prism and prism produce is irradiated on the first polarisation unit of the corresponding color in the first polarisation unit of described first quantity.
15. LCDs as claimed in claim 13, also comprise: the 4th prism, pentaprism and the 6th prism,
The polarized light belonging to the first color that first prism, the second prism and prism produce is irradiated on the 4th prism, and wherein the polarized light of the first color is through the 4th prism and is irradiated on the first liquid crystal sub-pixel at least partially;
The polarized light belonging to the second color that first prism, the second prism and prism produce is irradiated on pentaprism, and wherein the polarized light of the second color is through pentaprism and is irradiated on the second liquid crystal sub-pixel at least partially; And
The polarized light belonging to the 3rd color that first prism, the second prism and prism produce is irradiated on the 6th prism, and wherein the polarized light of the 3rd color is through the 6th prism and is irradiated on the 3rd liquid crystal sub-pixel at least partially.
16. LCDs as claimed in claim 14, also comprise: the 4th prism, pentaprism and the 6th prism,
The light belonging to the first color that first prism, the second prism and prism produce is irradiated on the 4th prism, wherein at least partially the first color light transmission the 4th prism and be irradiated on the first polarisation unit of corresponding color;
The light belonging to the second color that first prism, the second prism and prism produce is irradiated on pentaprism, wherein at least partially the second color light transmission pentaprism and be irradiated on the first polarisation unit of corresponding color; And
The light belonging to the 3rd color that first prism, the second prism and prism produce is irradiated on the 6th prism, wherein at least partially the 3rd color light transmission the 6th prism and be irradiated on the first polarisation unit of corresponding color.
17. LCDs as described in claim 9 or 11, wherein, the liquid crystal sub-pixel of described second quantity comprises the first liquid crystal sub-pixel, the second liquid crystal sub-pixel, the 3rd liquid crystal sub-pixel and the 4th liquid crystal sub-pixel, described 4th liquid crystal sub-pixel is white sub-pixels, and the color of described first quantity comprises the first color, the second color and the 3rd color;
The prism of described second quantity comprises the first prism, the second prism and prism,
First prism produces three beams polarized light, corresponds respectively to the first color, the second color and the 3rd color;
Second prism produces three beams polarized light, corresponds respectively to the first color, the second color and the 3rd color;
Prism produces three beams polarized light, corresponds respectively to the first color, the second color and the 3rd color;
Wherein, the polarized light belonging to same color that the first prism, the second prism and prism produce is irradiated on the liquid crystal sub-pixel of the corresponding color in the liquid crystal sub-pixel of described second quantity.
18. LCDs as claimed in claim 8, wherein, described backlight comprises LED source and light guide plate.
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| CN103487983A (en) * | 2013-09-17 | 2014-01-01 | 京东方科技集团股份有限公司 | Array substrate, display panel and display device thereof |
| CN105158967A (en) * | 2015-10-23 | 2015-12-16 | 京东方科技集团股份有限公司 | Vehicle-mounted liquid crystal display device, manufacturing method and vehicle |
| CN106959552A (en) * | 2016-01-08 | 2017-07-18 | 京东方科技集团股份有限公司 | Light source colour esensitized equipment and display device |
| CN106959541A (en) * | 2016-01-08 | 2017-07-18 | 京东方科技集团股份有限公司 | Display base plate, display panel and display device |
| CN106959544B (en) * | 2016-01-08 | 2020-12-04 | 京东方科技集团股份有限公司 | Backlight module, liquid crystal display and preparation process thereof |
| CN105629579B (en) * | 2016-04-08 | 2018-10-12 | 京东方科技集团股份有限公司 | A kind of display module and preparation method thereof, display device |
| CN106094331B (en) * | 2016-06-03 | 2019-03-12 | 京东方科技集团股份有限公司 | A kind of display panel and display device |
| CN114428418A (en) * | 2022-01-26 | 2022-05-03 | Tcl华星光电技术有限公司 | Display device |
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