CN104199213A - Transflective liquid crystal display panel and liquid crystal display - Google Patents
Transflective liquid crystal display panel and liquid crystal display Download PDFInfo
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- CN104199213A CN104199213A CN201410406356.5A CN201410406356A CN104199213A CN 104199213 A CN104199213 A CN 104199213A CN 201410406356 A CN201410406356 A CN 201410406356A CN 104199213 A CN104199213 A CN 104199213A
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Abstract
The invention discloses a transflective liquid crystal display panel and a liquid crystal display. The transflective liquid crystal display panel comprises an upper base plate, a lower base plate and a liquid crystal layer, wherein the upper base plate and the lower base plate are in butt joint, and the liquid crystal layer is arranged between the upper base plate and the lower base plate. The lower base plate comprises a plurality of sub-pixel units distributed in arrays, wherein each sub-pixel unit comprises a reflection area and a transmission area, the reflection area sequentially comprises a substrate base plate, a black matrix, a reflection layer and a first color filter layer in the direction from the lower base plate to the upper base plate, the transmission area sequentially comprises a substrate base plate and a second color filter layer in the direction from the lower base plate to the upper base plate, and the thickness of the first color filter layer is smaller than that of the second color filter layer. By means of the transflective liquid crystal display panel, it is ensured that difficulty in the preparation technology of the transflective liquid crystal display panel can be reduced under the conditions that color saturation of the reflection areas and color saturation of the transmission areas trend to consistence.
Description
Technical field
The present invention relates to technical field of liquid crystal display, relate in particular to a kind of Transflective display panels and liquid crystal display.
Background technology
At present, liquid crystal display (LCD) is one of most popular flat-panel monitor.The light source using according to liquid crystal display, liquid crystal display is divided into transmissive type liquid crystal display or reflective liquid-crystal display.Transmissive type liquid crystal display uses backlight as light source, and the light transmission display panels that light source sends is injected human eye, thereby demonstrates image; In this type of liquid crystal display, generator backlight is all equipped with in the behind of display panels, and it can show the image of high-contrast, good color saturation.But in the time that extraneous light intensity is greater than the light intensity that liquid crystal display internal transmission goes out, human eye does not just see content shown on display panels.In reflective liquid-crystal display, display panels relies on extraneous ray of reflecting to realize normal demonstration, and extraneous light is stronger, and the contrast of the shown frame out of display panels is just higher, and displaying contents is just clearer.On the contrary, extraneous light is more weak, and in reflective liquid-crystal display, the effect of the shown picture of display panels is also just poorer; So reflective liquid-crystal display only can use by day or in the situation that has ambient light to exist, and cannot use under night or low-light.Therefore, semi-transmission semi-reflection LCD arises at the historic moment, and semi-transmission semi-reflection LCD, according to environment, not only uses backlight but also use external light source as light source.
As shown in Figure 1, in Transflective display panels in prior art, the structural representation of the sub-pixel unit 02 being defined by black matrix 01 on color membrane substrates, each sub-pixel unit 02 on color membrane substrates is divided transmission area 021 and echo area 022.In transmission area 021, the disposable chromatic filter layer that sees through transmission area of light that backlight sends; In echo area 022, surround lighting needs twice through chromatic filter layer in the process of incident and reflection, thereby makes the color saturation of sub-pixel unit 02 echo area 022 too high, and the color of reflected light and transmitted light is not mated.
In order to keep mating of reflected light and transmitted light color, prior art conventionally adopts and all by mask exposure technique, opening 03 is set on the chromatic filter layer of each sub-pixel unit, insert again transparent optical filter at opening 03 place and form unthreaded hole, to reduce twice by the reflection light quantity of chromatic filter layer, thereby the color saturation of echo area and the color saturation of transmission area are reached unanimity.
But, prior art arranges opening 03 by mask exposure technique on chromatic filter layer, and in opening 03, insert transparent optical filter, and make the manufacture craft of Transflective display panels comparatively loaded down with trivial details, increase Transflective display panels preparation technology difficulty.
Summary of the invention
The object of this invention is to provide a kind of Transflective display panels and liquid crystal display, this Transflective display panels can, in the case of ensureing that the color saturation of echo area and the color saturation of transmission area reach unanimity, reduce preparation technology's difficulty of Transflective display panels.
For achieving the above object, the invention provides following technical scheme:
A kind of Transflective display panels, comprises upper substrate and infrabasal plate that box is connected, and is filled in the liquid crystal layer between described upper substrate and infrabasal plate; Wherein, described infrabasal plate comprises the sub-pixel unit of multiple array distribution, described in each, sub-pixel unit includes echo area and transmission area, direction along described infrabasal plate to described upper substrate, described echo area comprises underlay substrate, black matrix, reflection horizon and the first chromatic filter layer successively, described transmission area comprises underlay substrate and the second chromatic filter layer successively, and the thickness of described the first chromatic filter layer is less than the thickness of described the second chromatic filter layer.
In use, the one side that deviates from upper substrate at infrabasal plate arranges backlight to the Transflective display panels that the present embodiment provides.In the transmission area of each sub-pixel unit, the light that backlight sends, through underlay substrate, the second chromatic filter layer, liquid crystal layer and upper substrate, finally injects human eye, in the echo area of each sub-pixel unit, surround lighting is via upper substrate, liquid crystal layer and the first chromatic filter layer, incide on reflection horizon, be reflected layer reflection, again through the first chromatic filter layer, liquid crystal layer and upper substrate, incide human eye, although surround lighting in the process of incident and reflection twice through the first chromatic filter layer, but because the thickness of the first chromatic filter layer is less than the thickness of the second chromatic filter layer, thereby the color saturation that can ensure the surround lighting going out through reflective layer reflects can be not excessive, thereby can make the color saturation of echo area and the color saturation of transmission area reach unanimity.
Hence one can see that, in the Transflective display panels that the present embodiment provides, opening and transparent optical filter need to be set in the echo area of each sub-pixel unit, can make the color saturation of echo area and the color saturation of transmission area reach unanimity; Like this, preparing in the process of the Transflective display panels that the present embodiment provides, also saved the technique that opening and transparent optical filter are set in the echo area of each sub-pixel unit, thereby simplify the preparation technology of Transflective display panels, reduced preparation technology's difficulty of Transflective display panels.
So Transflective display panels provided by the invention can, in the case of ensureing that the color saturation of echo area and the color saturation of transmission area reach unanimity, reduce preparation technology's difficulty of Transflective display panels.
Preferably, the thickness of described the first chromatic filter layer is the half of described the second colorized optical filtering layer thickness, so that surround lighting first chromatic filter layer gross thickness of twice process in the process of incident and reflection equals transmitted light once through the thickness of the second chromatic filter layer, thus make the color saturation of echo area and the color saturation of transmission area more approaching.
Preferably, described reflection horizon is metallic reflector.When ensureing reflection horizon reflecting effect, reduce the preparation difficulty in reflection horizon.
Preferably, the material of described metallic reflector is aluminium foil.The metallic luster of aluminium is better, and the reflecting effect of the metallic reflector that employing aluminium foil is made is better; And the ductility of aluminium is higher, be conducive to the processing and fabricating of metallic reflector.
Preferably, described the first chromatic filter layer and the second chromatic filter layer have integrative-structure.
Preferably, the described pixel cell of the son of multiple array distribution comprises:
Red pixel unit, green pixel unit and blue pixel unit, the sub-pixel unit of every kind of color all includes the first chromatic filter layer and second chromatic filter layer of respective color;
And described red pixel unit, green pixel unit are identical with the quantity of blue pixel unit.
Preferably, described upper substrate is array base palte, and described infrabasal plate is color membrane substrates.
Preferably, the one side that described upper substrate deviates from described liquid crystal layer is also provided with the first polaroid; Described infrabasal plate deviates from described liquid crystal layer one side and is also provided with the second polaroid.
In addition, the present invention also provides a kind of semi-transmission semi-reflection LCD, comprises backlight, also comprises the Transflective display panels that above-mentioned arbitrary technical scheme provides, wherein, described backlight is arranged in the side that described display panels infrabasal plate deviates from upper substrate.
In the Transflective display panels providing due to technique scheme, opening and transparent optical filter need to be set in the echo area of each sub-pixel unit, can make the color saturation of echo area and the color saturation of transmission area reach unanimity, thereby make to have saved the technique that opening and transparent optical filter are set in the echo area of sub-pixel unit in the preparation technology of Transflective display panels.Therefore, in the semi-transmission semi-reflection LCD with above-mentioned display panels provided by the invention, in in each sub-pixel unit of guarantee, the color saturation of echo area and the color saturation of transmission area reach unanimity, preparation technology's difficulty of semi-transmission semi-reflection LCD also can effectively be reduced.
Brief description of the drawings
Fig. 1 is the structural representation of a sub-pixel unit being gone out by black defined matrix on color membrane substrates in prior art;
The structural representation of the Transflective display panels that Fig. 2 provides for the embodiment of the present invention one;
The structural representation of the liquid crystal display that Fig. 3 provides for the embodiment of the present invention two.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment mono-
Please refer to Fig. 2, the Transflective display panels that the present embodiment provides, comprises upper substrate 1 and infrabasal plate 2 that box is connected, and is filled in the liquid crystal layer 3 between upper substrate 1 and infrabasal plate 2; Wherein, infrabasal plate 2 comprises the sub-pixel unit 4 of multiple array distribution, each sub-pixel unit 4 includes echo area R and transmission area T, direction along infrabasal plate 2 to upper substrate 1, echo area R comprises underlay substrate 21, black matrix 22, reflection horizon 23 and the first chromatic filter layer 24 successively, transmission area T comprises underlay substrate 21 and the second chromatic filter layer 25 successively, and the thickness of the first chromatic filter layer 24 is less than the thickness of the second chromatic filter layer 25.Wherein, the first chromatic filter layer 24 is identical with the color of the second chromatic filter layer 25.
When the Transflective display panels that the present embodiment provides uses, the one side that deviates from upper substrate 1 at infrabasal plate 2 arranges backlight.At the transmission area of each sub-pixel unit 4 T, the light P that backlight sends, through underlay substrate 21, the second chromatic filter layer 25, liquid crystal layer 3 and upper substrate 1, finally injects human eye, at the echo area of each sub-pixel unit 4 R, surround lighting Q is via upper substrate 1, liquid crystal layer 3 and the first chromatic filter layer 24, incide on reflection horizon 23, be reflected layer 23 reflection, again through the first chromatic filter layer 24, liquid crystal layer 3 and upper substrate 1, incide human eye, although surround lighting Q in the process of incident and reflection twice through the first chromatic filter layer 24, but because the thickness of the first chromatic filter layer 24 is the half of the second chromatic filter layer 25 thickness, thereby the color saturation that can ensure the surround lighting Q reflecting through reflection horizon 23 can be not excessive, thereby can make the color saturation of echo area R and the color saturation of transmission area T reach unanimity.
Hence one can see that, in the Transflective display panels that the present embodiment provides, need to opening 03 and transparent optical filter be set at the echo area of each sub-pixel unit 4 R, can make the color saturation of echo area R and the color saturation of transmission area T reach unanimity; Like this, preparing in the process of the Transflective display panels that the present embodiment provides, also saved the technique that opening 03 and transparent optical filter are set at the echo area of each sub-pixel unit 4 R, thereby simplify the preparation technology of Transflective display panels, reduced preparation technology's difficulty of Transflective display panels.
So Transflective display panels provided by the invention can, in the case of ensureing that the color saturation of echo area R and the color saturation of transmission area T reach unanimity, reduce preparation technology's difficulty of Transflective display panels.
Preferably, the thickness of the first chromatic filter layer 24 is the half of the second chromatic filter layer 25 thickness, so that surround lighting Q first chromatic filter layer 24 gross thickness of twice process in the process of incident and reflection equal transmitted light P once through the thickness of the second chromatic filter layer 25, thus make the color saturation of echo area R and the color saturation of transmission area T more approaching.
In Transflective display panels, require reflection horizon 23 to there is preferably reflecting effect, therefore, one preferred embodiment in, above-mentioned reflection horizon 23 is metallic reflector.Employing metallic reflector not only can ensure the reflecting effect in reflection horizon 23, and the preparation technology of metallic reflector is comparatively simple, adopts existing equipment and technique to be made.
Wherein, the material of above-mentioned metallic reflector is aluminium foil, and the metallic luster of aluminium is better, and the reflecting effect of the metallic reflector that employing aluminium foil is made is better.And the ductility of aluminium is higher, be conducive to the processing and fabricating of metallic reflector.
Please continue to refer to Fig. 2, one is preferably in embodiment, and the first chromatic filter layer 24 and the second chromatic filter layer 25 one-shot formings, have integrative-structure.
Particularly, the sub-pixel unit 4 of above-mentioned multiple array distribution comprises: red pixel unit, green pixel unit and blue pixel unit, and the pixel cell of each color includes the first chromatic filter layer and second chromatic filter layer of respective color; And red pixel unit, green pixel unit are identical with the quantity of blue pixel unit.
In the sub-pixel unit 4 of same color, the area of the area of echo area R and transmission area T can be identical, also can be different; In the sub-pixel unit 4 of different colours, the area of the area of echo area R and transmission area T can be identical, also can be different.The size of the size of echo area R area and transmission area T area can specifically arrange according to size or other factors of the size of each sub-pixel unit 4 and Transflective liquid crystal pixel panel, repeats no longer one by one herein.
Preferably, the one side that upper substrate 1 deviates from liquid crystal layer 3 is also provided with the first polaroid 5; Infrabasal plate 2 deviates from liquid crystal layer 3 one sides and is also provided with the second polaroid 6.Polaroid has a fixing polarizing axis, only allow the direction of vibration light consistent with polarization direction to pass through, and absorb the light that direction of vibration is vertical with polarizing axis, for being converted into polarized light by not having a natural light of deflection polarity, make to become with electric field the light of vertical direction to pass through, allow normally show image of display panels.
In the respective embodiments described above, upper substrate 1 is array base palte, and infrabasal plate 2 is color membrane substrates.
Embodiment bis-
Please refer to Fig. 3, the present embodiment provides a kind of semi-transmission semi-reflection LCD, comprises the Transflective display panels that backlight 7 and above-described embodiment one provide, and wherein, backlight 7 is arranged in the side that display panels infrabasal plate 2 deviates from upper substrate 1.
In the Transflective display panels providing due to above-described embodiment one, need to opening and transparent optical filter be set at the echo area of each sub-pixel unit 4 R, can make the color saturation of echo area R and the color saturation of transmission area T reach unanimity, thereby make to have saved the technique that opening and transparent optical filter are set at the echo area R of 4 yuan of sub-pixel lists in the preparation technology of Transflective display panels.Therefore, what the present embodiment two provided has in the semi-transmission semi-reflection LCD of above-mentioned display panels, in in each sub-pixel unit 4 of guarantee, the color saturation of echo area R and the color saturation of transmission area T reach unanimity, preparation technology's difficulty of semi-transmission semi-reflection LCD also can effectively be reduced.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if these amendments of the present invention and within modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.
Claims (9)
1. a Transflective display panels, comprises upper substrate and infrabasal plate that box is connected, and is filled in the liquid crystal layer between described upper substrate and infrabasal plate; It is characterized in that, described infrabasal plate comprises the sub-pixel unit of multiple array distribution, described in each, sub-pixel unit includes echo area and transmission area, direction along described infrabasal plate to described upper substrate, described echo area comprises underlay substrate, black matrix, reflection horizon and the first chromatic filter layer successively, described transmission area comprises underlay substrate and the second chromatic filter layer successively, and the thickness of described the first chromatic filter layer is less than the thickness of described the second chromatic filter layer.
2. Transflective display panels according to claim 1, is characterized in that, the thickness of described the first chromatic filter layer is the half of described the second colorized optical filtering layer thickness.
3. Transflective display panels according to claim 1, is characterized in that, described reflection horizon is metallic reflector.
4. Transflective display panels according to claim 3, is characterized in that, the material of described metallic reflector is aluminium foil.
5. Transflective display panels according to claim 1, is characterized in that, described the first chromatic filter layer and the second chromatic filter layer have integrative-structure.
6. Transflective display panels according to claim 1, is characterized in that, the described pixel cell of son of multiple array distribution comprises:
Red pixel unit, green pixel unit and blue pixel unit, the sub-pixel unit of every kind of color includes the first chromatic filter layer and second chromatic filter layer of respective color;
And described red pixel unit, green pixel unit are identical with the quantity of blue pixel unit.
7. Transflective display panels according to claim 1, is characterized in that, described upper substrate is array base palte, and described infrabasal plate is color membrane substrates.
8. according to the Transflective display panels described in claim 1～7 any one, it is characterized in that, the one side that described upper substrate deviates from described liquid crystal layer is also provided with the first polaroid; Described infrabasal plate deviates from described liquid crystal layer one side and is also provided with the second polaroid.
9. a semi-transmission semi-reflection LCD, comprise backlight, it is characterized in that, also comprise the Transflective display panels as described in claim 1～8 any one, described backlight is arranged in the side that described display panels infrabasal plate deviates from upper substrate.
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| CN201410406356.5A CN104199213A (en) | 2014-08-18 | 2014-08-18 | Transflective liquid crystal display panel and liquid crystal display |
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| CN201410406356.5A CN104199213A (en) | 2014-08-18 | 2014-08-18 | Transflective liquid crystal display panel and liquid crystal display |
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| WO2021147858A1 (en) * | 2020-01-20 | 2021-07-29 | 京东方科技集团股份有限公司 | Color film structure, color film substrate, display module and manufacturing method therefor, and display device |
| CN113126354A (en) * | 2021-04-09 | 2021-07-16 | 武汉华星光电技术有限公司 | Display panel and display device |
| CN112987419A (en) * | 2021-04-13 | 2021-06-18 | 成都天马微电子有限公司 | Display device and manufacturing method thereof |
| CN112987419B (en) * | 2021-04-13 | 2023-09-15 | 成都天马微电子有限公司 | Display device and manufacturing method thereof |
| CN114942542A (en) * | 2022-05-19 | 2022-08-26 | Tcl华星光电技术有限公司 | Display device |
| CN114942542B (en) * | 2022-05-19 | 2024-02-20 | Tcl华星光电技术有限公司 | Display device |
| CN115167029A (en) * | 2022-07-01 | 2022-10-11 | Tcl华星光电技术有限公司 | Display module and manufacturing method thereof |
| CN115167029B (en) * | 2022-07-01 | 2023-11-28 | Tcl华星光电技术有限公司 | Display module and manufacturing method thereof |
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Application publication date: 20141210 |