CN105242443A - Reflective dual-face LCD - Google Patents
Reflective dual-face LCD Download PDFInfo
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- CN105242443A CN105242443A CN201510713343.7A CN201510713343A CN105242443A CN 105242443 A CN105242443 A CN 105242443A CN 201510713343 A CN201510713343 A CN 201510713343A CN 105242443 A CN105242443 A CN 105242443A
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- liquid crystal
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133553—Reflecting elements
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- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
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Abstract
The invention discloses a reflective dual-face LCD comprising a first substrate and a second substrate arranged in opposite, and a liquid crystal box arranged between the first substrate and the second substrate; one side, facing the liquid crystal box, of the first substrate is provided with a plurality of first reflective units arranged in multi-row multi-column; a first gap is arranged between the adjacent first reflective units in the line direction and column direction; one side, facing the liquid crystal box, of the second substrate is provided with a plurality of second reflective units arranged in multi-row multi-column; a second gap is arranged between the adjacent second reflective units in the line direction and column direction; the second reflective units respectively right face the first gaps. The reflective dual-face LCD is small in power consumption, and can realize a thinning design requirement.
Description
Technical field
Field of liquid crystal display of the present invention, particularly relates to the two-sided display panels that a kind of two sides all can be used for showing image.
Background technology
Double side liquid crystal display can show identical or different picture on towards the opposite two faces, so that spectators can see the content of same display from different azimuth, makes full use of space.Along with the development of lcd technology, double side liquid crystal display in public place of entertainment, market, hospital, the public place widespread use such as airport, such as, for teaching, advertisement, instruction or monitoring etc.In traditional liquid crystal display, according to the difference of light source, can be divided into transmission-type and reflective, transmissive type liquid crystal display needs to be provided with backlight, and the light sent by backlight shows image through transparency electrode and liquid crystal layer, and power consumption is very large; Reflective liquid-crystal display provides light source by front light-source or external environment, and light source comes from the external world, saves the power consumption of liquid crystal display itself and makes full use of outside resources.Existing double side liquid crystal display majority is transmissive type liquid crystal display, namely needs to install backlight in double side liquid crystal display, because double side liquid crystal display is used for double-sided display, needs at substantial power consumption, deviates from the energy conservation theory that people advocate; Meanwhile, existing double side liquid crystal display needs to arrange two liquid crystal cells, is provided with backlight in addition, makes double side liquid crystal display be difficult to realize lightening designing requirement.
Summary of the invention
Technical matters to be solved by this invention is, provides a kind of reflective double side liquid crystal display, and the power consumption of described reflective double side liquid crystal display is little, and can realize lightening designing requirement.
In order to solve the problems of the technologies described above, the present invention by the following technical solutions:
The invention provides a kind of reflective double side liquid crystal display, described reflective double side liquid crystal display comprises the first substrate and second substrate that are oppositely arranged, and the liquid crystal cell be arranged between described first substrate and described second substrate, described first substrate is provided with multiple the first reflector element distributed in multiple lines and multiple rows towards the side of described liquid crystal cell, be provided with the first interval in the row direction and between described first reflector element adjacent on column direction, described second substrate is provided with multiple the second reflector element distributed in multiple lines and multiple rows towards the side of described liquid crystal cell, be provided with the second interval in the row direction and between described second reflector element adjacent on column direction, described multiple second reflector element is respectively just to described multiple first interval.
Wherein, described reflective double side liquid crystal display comprises multiple first pixel region and multiple second pixel region, corresponding described first pixel region of described first reflector element, corresponding described second pixel region of described second reflector element, the intersection corresponding to described first pixel region and described second pixel region in described liquid crystal cell is provided with insulated column.
Wherein, described first reflector element is disposed with transparent insulating layer and transparency electrode.
Wherein, described liquid crystal cell comprises thin film transistor (TFT) array, color filter film and the liquid crystal between described thin film transistor (TFT) array and described color filter film, and described color filter film is arranged in described transparency electrode.
Wherein, described liquid crystal cell comprises thin film transistor (TFT) array, color filter film and liquid crystal, described color filter film and described thin film transistor (TFT) array stack gradually on described second reflector element, and described liquid crystal is arranged between described thin film transistor (TFT) array and described transparency electrode.
Wherein, the side of the described dorsad liquid crystal cell of described first substrate is disposed with the first quarter-wave plate and the first polaroid, and the side of the described dorsad liquid crystal cell of described second substrate is disposed with the second quarter-wave plate and the second polaroid.
Wherein, described reflective double side liquid crystal display also comprises two front located light sources, and two described front located light sources are arranged at the side of the described first polaroid side of described liquid crystal cell and described second polaroid described liquid crystal cell dorsad dorsad respectively.
Wherein, the material of described first reflector element and the material of described second reflector element are reflective metal.
Wherein, described first substrate and described second substrate are glass, transparent polyester class film, sapphire or diamond like carbon.
Wherein, the material of described transparent insulating layer is the oxides of nitrogen of the oxide of silicon, the nitride of silicon or silicon, and described transparency electrode is indium tin oxide or nano metal grid.
Compared with prior art, technical scheme of the present invention at least has following beneficial effect: reflective double side liquid crystal display of the present invention only adopts a liquid crystal cell, reduce the thickness of described reflective double side liquid crystal display, achieve lightening designing requirement, and be provided with multiple first reflector element at first substrate towards the side of described liquid crystal cell, at second substrate, the side of described liquid crystal cell is provided with multiple second reflector element, when making the extraneous light both sides contrary from direction incide the described first substrate of described reflective double side liquid crystal display and described second substrate respectively, reflected by described second reflector element and described first reflector element respectively, through described liquid crystal cell, thus realize double-sided display, due to without the need to arranging backlight, while further reducing the thickness of described reflective double side liquid crystal display, also greatly reduce power consumption.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the stepped construction schematic diagram of reflective double side liquid crystal display in first embodiment of the invention;
Fig. 2 is the first reflector element distribution schematic diagram on the first substrate in first embodiment of the invention;
Fig. 3 is the distribution schematic diagram of the second reflector element on second substrate in first embodiment of the invention;
Fig. 4 is the schematic diagram of the first reflector element and the projection of the second reflector element on liquid crystal cell in first embodiment of the invention;
Fig. 5 is the stepped construction schematic diagram of reflective double side liquid crystal display in second embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, Fig. 1 is the stepped construction schematic diagram of reflective double side liquid crystal display in first embodiment of the invention; Fig. 2 is the first reflector element distribution schematic diagram on the first substrate in first embodiment of the invention; Fig. 3 is the distribution schematic diagram of the second reflector element on second substrate in first embodiment of the invention; Fig. 4 is the schematic diagram of the first reflector element and the orthogonal projection of the second reflector element on liquid crystal cell in first embodiment of the invention.In the present embodiment, described reflective double side liquid crystal display comprises the first substrate 10 and second substrate 20 that are oppositely arranged, and the liquid crystal cell 30 be arranged between described first substrate 10 and described second substrate 20, described first substrate 10 is provided with multiple the first reflector element 40 distributed in multiple lines and multiple rows towards the side of described liquid crystal cell 30, be provided with the first interval 41 in the row direction and between described first reflector element 40 adjacent on column direction, described second substrate 20 is provided with multiple the second reflector element 50 distributed in multiple lines and multiple rows towards the side of described liquid crystal cell 30, be provided with the second interval 51 in the row direction and between described second reflector element 50 adjacent on column direction, and, described multiple second reflector element 50 is respectively just to described multiple first interval, namely the orthogonal projection of each described second reflector element 50 on first substrate 10 and the first interval 41 overlap, described multiple first reflector element 40 is respectively just to described multiple second interval 51, and namely the orthogonal projection of each described first reflector element 40 on second substrate 20 and the second interval 51 overlap.That is, first reflector element 40 and the second reflector element 50 are all crisscross arranged in the row direction with on column direction, the orthogonal projection on described liquid crystal cell 30 of the projection of multiple described first reflector element 40 on liquid crystal cell 30 and multiple described second reflector element 50 is complementary, first reflector element 40 is distributed on first substrate 10 equably, second reflector element 50 is distributed on second substrate 20 equably, when light is incident from first substrate 10, light is reflected by the second reflector element 50 through liquid crystal cell 30, penetrate from first substrate 10 through liquid crystal cell 30 again, namely light is through path b, when light is incident from second substrate 20, light is through liquid crystal cell 30 and reflected by the first reflector element 40, then penetrates from second substrate 10 through liquid crystal cell 30, and namely light is through path a.
First substrate 10, second substrate 20 and the Region dividing between first substrate 10 and second substrate 20 are multiple first pixel region A and multiple second pixel region B, the corresponding first pixel region A of described first reflector element 40, described second reflector element 50 corresponding described second pixel region B, the first pixel region A and the second pixel region B respectively as accompanying drawing 1 dotted line frame illustrated.Particularly, the side of the liquid crystal cell dorsad 30 of first substrate 10 is disposed with the first quarter-wave 81 and the first polaroid 80, is disposed with the second quarter-wave plate 91 and the second polaroid 90 in the side of the liquid crystal cell dorsad 30 of second substrate 20.First reflector element 40 of the side towards described liquid crystal cell 30 of first substrate 10 can also be disposed with transparent insulating layer 61 and transparency electrode 62, the liquid crystal 31 that liquid crystal cell 30 comprises color filter film 33, thin film transistor (TFT) array 34 and is clipped between color filter film 33 and described thin film transistor (TFT) array 34, color filter film 33 is arranged in transparency electrode 62, thin film transistor (TFT) array 34 is arranged on the second reflector element 50, further, transparent planar layer 71 can be provided with between thin film transistor (TFT) array 34 and the second reflector element 50.The intersection e corresponding to the projection of described first reflector element 40 and the projection of described second reflector element 50 of liquid crystal cell 30 is provided with insulated column 32, that is: in liquid crystal cell 30, be provided with insulated column 32, insulated column 32 is at the projection of the first reflector element 40 on liquid crystal cell 30 and the intersection e of the second projection of reflector element 50 on liquid crystal cell 30.That is the intersection corresponding to the first pixel region A and the second pixel region B in liquid crystal cell 30 is provided with insulated column 32.The thickness of insulated column 32 is less than or equal to the thickness of liquid crystal 30, and preferably, the thickness of insulated column 32 equals the thickness of liquid crystal 30.Insulated column 32 affects the respective display quality of first substrate 10 side and second substrate 20 side for preventing the light within the scope of the light within the scope of the first pixel region A and the second pixel region B from mutually disturbing at liquid crystal 30 place.When in transparency electrode 62 and thin film transistor (TFT) array during making alive, liquid crystal 31 is in optical anisotropy state by electric field action, thus controls the throughput of light, thus controls the display frame of described two-sided display panels.
For convenience of description, the display surface of the side at first substrate 10 place is called the first display surface (scheming not shown), the display surface of the side at second substrate 20 place is called the second display surface (scheming not shown).
When the light in the external world is incident from the first display surface, namely when the light in the external world is incident from the first polaroid 80, a part of light enters the first pixel region A, and another part light enters the second pixel region B.Enter the light of the first pixel region A after the first polaroid 80, first quarter-wave plate 81 and first substrate 10, meet the first reflector element 40, thus stop by the first reflector element 40 and the liquid crystal 31 of the first pixel region A cannot be entered, thus do not show image, also can not disturb the display effect of the second display surface; The light entering the second pixel region B is reflected by the second reflector element 50 after the first polaroid 80, first quarter-wave plate 81, first substrate 10, transparent insulating layer 61, transparency electrode 62 and liquid crystal cell 30, again through liquid crystal cell 30, penetrate from the first polaroid 80, owing to being provided with insulated column 32 in liquid crystal cell 30, thus make the light of the second pixel region B can not enter the first pixel region A.Owing to entering the light of the second pixel region B through liquid crystal cell 30, thus make position that the second pixel region B is corresponding can display frame, because the second reflector element 50 is uniformly distributed, thus enable the first display surface display frame, realize the Presentation Function of the first display surface of described reflective double side liquid crystal display.
When the light in the external world is incident from the second display surface, namely when the light in the external world is incident from the second polaroid 80, a part of light enters the first pixel region A, and another part light enters the second pixel region B.Enter the light of the second pixel region B after the second polaroid 90, second quarter-wave plate 91 and second substrate 20, run into the second reflector element 50, second reflector element 50 will enter the light of the second pixel region B, thus cannot enter liquid crystal cell 30 thus make the position not display frame of the corresponding second pixel region B of the second display surface.Enter the light of the first pixel region A after the second polaroid 90, second quarter-wave plate 91, second substrate 20, transparent planar layer 71, liquid crystal cell 30 and transparency electrode 62, reflected by the first reflector element 40, again through transparency electrode 62 and liquid crystal cell 30, finally penetrate from the second polaroid 90, owing to being provided with insulated column 32 in liquid crystal cell 30, thus make the light of the first pixel region A can not enter the second pixel region B.Owing to entering the light of the first pixel region A through liquid crystal cell 30, thus make position that the first pixel region A is corresponding can display frame, because the first reflector element 40 is uniformly distributed, thus enable the second display surface display frame, realize the Presentation Function of the second display surface of described reflective double side liquid crystal display.
Described reflective double side liquid crystal display can also comprise two or more front located light source (not shown)s, two or more described front located light source is arranged at the side of described first polaroid 80 side of described liquid crystal cell and described second polaroid 90 described liquid crystal cell dorsad dorsad respectively, and namely described two or more front located light source is arranged at the first polaroid 80 respectively towards the side in the external world and the second polaroid 90 towards the side in the external world.
In the present embodiment, reflective double side liquid crystal display only adopts a liquid crystal cell, reduces the thickness of described reflective double side liquid crystal display, achieves lightening designing requirement, and be provided with multiple first reflector element at first substrate towards the side of described liquid crystal cell, at second substrate, the side of described liquid crystal cell is provided with multiple second reflector element, when making extraneous light first display surface contrary from direction and the second display surface incide described reflective double side liquid crystal display respectively, reflected by described second reflector element and described first reflector element respectively, and respectively through described liquid crystal cell, thus realize double-sided display, due to without the need to arranging backlight, while further reducing the thickness of described reflective double side liquid crystal display, also greatly reduce the power consumption of described reflective double side liquid crystal display.
Refer to Fig. 5, Fig. 5 is the stepped construction schematic diagram of reflective double side liquid crystal display in second embodiment of the invention.The structure of the reflective double side liquid crystal display of the structure of the reflective double side liquid crystal display of the present embodiment and the first embodiment and respective figure thereof is substantially identical, difference is: liquid crystal cell 30 comprises thin film transistor (TFT) array 34, color filter film 33 and liquid crystal 31, color filter film 33 and thin film transistor (TFT) array 34 stack gradually on the second reflector element 50, and liquid crystal 31 is arranged between transparency electrode 62 and thin film transistor (TFT) array 34.In the present embodiment, the color filter film 33 of described reflective double side liquid crystal display and thin film transistor (TFT) array 34 are arranged at the same side of liquid crystal 31, reduce the light leak between color filter film 33 and thin film transistor (TFT) array 34, improve the display effect of described reflective double side liquid crystal display.
In one embodiment of the invention, the material of described first reflector element and the material of described second reflector element are reflective metal.
In one embodiment of the invention, the oxides of nitrogen that the material of described transparent insulating layer is the oxide of silicon, the nitride of silicon lives silicon, described transparency electrode is indium tin oxide or nano metal grid.
In an embodiment of the present invention, described first substrate and described second substrate are glass, transparent polyester class film, sapphire or diamond like carbon.
In the description of this instructions, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Above-described embodiment, does not form the restriction to this technical scheme protection domain.The amendment done within any spirit at above-mentioned embodiment and principle, equivalently to replace and improvement etc., within the protection domain that all should be included in this technical scheme.
Claims (10)
1. a reflective double side liquid crystal display, it is characterized in that, comprise the first substrate and second substrate that are oppositely arranged, and the liquid crystal cell be arranged between described first substrate and described second substrate, described first substrate is provided with multiple the first reflector element distributed in multiple lines and multiple rows towards the side of described liquid crystal cell, be provided with the first interval in the row direction and between described first reflector element adjacent on column direction, described second substrate is provided with multiple the second reflector element distributed in multiple lines and multiple rows towards the side of described liquid crystal cell, be provided with the second interval in the row direction and between described second reflector element adjacent on column direction, described multiple second reflector element is respectively just to described multiple first interval.
2. reflective double side liquid crystal display as claimed in claim 1, it is characterized in that, described reflective double side liquid crystal display comprises multiple first pixel region and multiple second pixel region, corresponding described first pixel region of described first reflector element, corresponding described second pixel region of described second reflector element, the intersection corresponding to described first pixel region and described second pixel region in described liquid crystal cell is provided with insulated column.
3. reflective double side liquid crystal display as claimed in claim 2, is characterized in that, described first reflector element is disposed with transparent insulating layer and transparency electrode.
4. reflective double side liquid crystal display as claimed in claim 3, it is characterized in that, described liquid crystal cell comprises thin film transistor (TFT) array, color filter film and the liquid crystal between described thin film transistor (TFT) array and described color filter film, and described color filter film is arranged in described transparency electrode.
5. reflective double side liquid crystal display as claimed in claim 3, it is characterized in that, described liquid crystal cell comprises thin film transistor (TFT) array, color filter film and liquid crystal, described color filter film and described thin film transistor (TFT) array stack gradually on described second reflector element, and described liquid crystal is arranged between described thin film transistor (TFT) array and described transparency electrode.
6. the reflective double side liquid crystal display as described in any one of claim 1 to 5, it is characterized in that, the side of the described dorsad liquid crystal cell of described first substrate is disposed with the first quarter-wave plate and the first polaroid, and the side of the described dorsad liquid crystal cell of described second substrate is disposed with the second quarter-wave plate and the second polaroid.
7. reflective double side liquid crystal display as claimed in claim 6, it is characterized in that, described reflective double side liquid crystal display also comprises two front located light sources, and two described front located light sources are arranged at the side of the described first polaroid side of described liquid crystal cell and described second polaroid described liquid crystal cell dorsad dorsad respectively.
8. the reflective double side liquid crystal display as described in any one of claim 1 to 5, is characterized in that, the material of described first reflector element and the material of described second reflector element are reflective metal.
9. the reflective double side liquid crystal display as described in any one of claim 1 to 5, is characterized in that, described first substrate and described second substrate are glass, transparent polyester class film, sapphire or diamond like carbon.
10. the reflective double side liquid crystal display as described in any one of claim 1 to 5, it is characterized in that, the material of described transparent insulating layer is the oxides of nitrogen of the oxide of silicon, the nitride of silicon or silicon, and described transparency electrode is indium tin oxide or nano metal grid.
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| CN201510713343.7A CN105242443A (en) | 2015-10-28 | 2015-10-28 | Reflective dual-face LCD |
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| CN201510713343.7A CN105242443A (en) | 2015-10-28 | 2015-10-28 | Reflective dual-face LCD |
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| CN113176684A (en) * | 2021-04-23 | 2021-07-27 | 京东方科技集团股份有限公司 | Double-sided transparent display panel, display device and display panel preparation method |
| CN113238401A (en) * | 2021-05-08 | 2021-08-10 | 京东方科技集团股份有限公司 | Display module assembly and display device |
| CN113238401B (en) * | 2021-05-08 | 2023-02-28 | 京东方科技集团股份有限公司 | Display module and display device |
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