CN105116641A - Semitransparent semireflective liquid crystal display panel, manufacturing method thereof and liquid crystal display device - Google Patents
Semitransparent semireflective liquid crystal display panel, manufacturing method thereof and liquid crystal display device Download PDFInfo
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- CN105116641A CN105116641A CN201510616910.7A CN201510616910A CN105116641A CN 105116641 A CN105116641 A CN 105116641A CN 201510616910 A CN201510616910 A CN 201510616910A CN 105116641 A CN105116641 A CN 105116641A
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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
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
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- Crystallography & Structural Chemistry (AREA)
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- Optics & Photonics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
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Abstract
The invention provides a semitransparent semireflective liquid crystal display panel, a manufacturing method thereof and a liquid crystal display device, and belongs to the technical field of display. The problems that an existing semitransparent semireflective liquid crystal display panel needs to be provided with an additional compensation film, has a poor display visual angle and is complex in manufacturing technology and high in cost can be solved. A reflection region and a transmission region of the semitransparent semireflective liquid crystal display panel are formed, the semitransparent semireflective liquid crystal display panel comprises a first substrate, a second substrate and a liquid crystal layer, wherein the first substrate and the second substrate are arranged oppositely, and the liquid crystal layer is located between the first substrate and the second substrate; the first substrate comprises pixel electrodes, the first substrate or the second substrate comprises a common electrode layer, the common electrode layer is located in the reflection region and comprises multiple common electrodes, and each common electrode comprises multiple slit structures.
Description
Technical field
The invention belongs to display technique field, be specifically related to a kind of semitransparent semi-inverse liquid crystal display panel and preparation method thereof, liquid crystal indicator.
Background technology
Along with the fast development of display technique, people more and more focus on the application innovation to display, require also more and more higher to display characteristic, are indoor or all have the technology of better contrast to need to further develop in outdoor.
At present, solve the scheme that outdoor contrast declines and mainly adopt semi-transparent semi-reflecting technology, realize semi-transparent semi-reflectingly mainly containing two kinds of modes, a kind of technology is the electrically controlled birefringence mode adopting single box thick, but this technology needs to arrange extra compensate film, and display view angle is bad; Another kind of technology adopts the semi-transparent semi-reflecting technology of dual-box thick, but the manufacturing process more complicated of this technology, considerably increase production cost, and display characteristic is not good.
Summary of the invention
The present invention is directed to existing semitransparent semi-inverse liquid crystal display panel to need to arrange extra compensate film and display view angle is bad, the problem of complicated process of preparation, cost intensive, providing a kind of does not need to arrange extra compensate film and can realize wide viewing angle display, preparation technology semitransparent semi-inverse liquid crystal display panel easy, with low cost and preparation method thereof, liquid crystal indicator.
The technical scheme that solution the technology of the present invention problem adopts is a kind of semitransparent semi-inverse liquid crystal display panel, described semitransparent semi-inverse liquid crystal display panel forms echo area and transmission area, described semitransparent semi-inverse liquid crystal display panel comprises the first substrate and second substrate that are oppositely arranged and the liquid crystal layer between described first substrate and described second substrate, described first substrate comprises pixel electrode, described first substrate or described second substrate comprise common electrode layer, described common electrode layer is positioned at echo area, described common electrode layer comprises multiple public electrode, each described public electrode comprises multiple narrow slit structure.
Wherein, described public electrode is strip public electrode.
Wherein, the angle between described pixel electrode and described narrow slit structure is for being greater than 0 degree and being less than or equal to 10 degree.
Wherein, the angle between described pixel electrode and described public electrode is for being greater than 0 degree and being less than or equal to 90 degree.
Wherein, described public electrode adopts metal material to make.
Wherein, described metal material is aluminium.
Wherein, the width of described public electrode is 0.3 μm ~ 2.5 μm, and the spacing between adjacent two described public electrodes is 0.3 μm ~ 2.5 μm.
Wherein, the height of described each narrow slit structure of described public electrode is 100nm ~ 300nm, and width is 30nm ~ 90nm, and the spacing between adjacent two described narrow slit structures is 100 ~ 150nm.
Wherein, described first substrate is array base palte, and described second substrate is color membrane substrates.
As another technical scheme, the present invention also provides a kind of preparation method of semitransparent semi-inverse liquid crystal display panel, and described semitransparent semi-inverse liquid crystal display panel is the semitransparent semi-inverse liquid crystal display panel described in above-mentioned any one, and described method comprises:
Prepare first substrate;
Prepare second substrate;
By described first substrate and described second substrate to box.
As another technical scheme, the present invention also provides a kind of liquid crystal indicator, comprises the semitransparent semi-inverse liquid crystal display panel described in above-mentioned any one.
In semitransparent semi-inverse liquid crystal display panel of the present invention and preparation method thereof, liquid crystal indicator, this semitransparent semi-inverse liquid crystal display panel, structure is simpler, does not need additionally to arrange compensate film, and can realize wide viewing angle display; And the preparation method of this semitransparent semi-inverse liquid crystal display panel, preparation technology is easy, with low cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of the semitransparent semi-inverse liquid crystal display panel of embodiments of the invention 2;
Fig. 2 is the public electrode of the semitransparent semi-inverse liquid crystal display panel of embodiments of the invention 2 and the vertical view of pixel electrode;
Fig. 3 is the enlarged drawing of region A in Fig. 3;
Fig. 4 is the displaying principle figure of the semitransparent semi-inverse liquid crystal display panel of embodiments of the invention 2;
Fig. 5 is the structural representation of the semitransparent semi-inverse liquid crystal display panel of embodiments of the invention 3;
Fig. 6 is the public electrode of the semitransparent semi-inverse liquid crystal display panel of embodiments of the invention 3 and the vertical view of pixel electrode;
Fig. 7 is the process flow diagram of the preparation method of the semitransparent semi-inverse liquid crystal display panel of embodiments of the invention 4;
Wherein, Reference numeral is: 1, the first polaroid; 2, first substrate; 3, second substrate; 4, the second polaroid; 5, liquid crystal layer; 6, pixel electrode; 20, the first substrate; 21, public electrode; 22, the first insulation course; 31, color rete; 32, the second substrate; 210, public electrode; 211, public electrode narrow slit structure.
Embodiment
For making those skilled in the art understand technical scheme of the present invention better, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Embodiment 1:
The present embodiment provides a kind of semitransparent semi-inverse liquid crystal display panel, semitransparent semi-inverse liquid crystal display panel forms echo area and transmission area, semitransparent semi-inverse liquid crystal display panel comprises the first substrate and second substrate that are oppositely arranged and the liquid crystal layer between first substrate and second substrate, first substrate comprises pixel electrode, first substrate or second substrate comprise common electrode layer, common electrode layer is positioned at echo area, common electrode layer comprises multiple public electrode, and each public electrode comprises multiple narrow slit structure.
The semitransparent semi-inverse liquid crystal display panel of the present embodiment, structure is simpler, does not need additionally to arrange compensate film, and can realize wide viewing angle display; And the preparation method of this semitransparent semi-inverse liquid crystal display panel, preparation technology is easy, with low cost.
Embodiment 2:
Please refer to Fig. 1 to 4, the present embodiment provides a kind of semitransparent semi-inverse liquid crystal display panel, semitransparent semi-inverse liquid crystal display panel forms echo area and transmission area, semitransparent semi-inverse liquid crystal display panel comprises the first substrate 2 and second substrate 3 and the liquid crystal layer between first substrate 2 and second substrate 35 that are oppositely arranged, first substrate 2 comprises pixel electrode 6 and common electrode layer 21, common electrode layer 21 is positioned at echo area, common electrode layer 21 comprises multiple public electrode 210, and each public electrode 210 comprises multiple narrow slit structure 211.
Please refer to Fig. 2, wherein, public electrode 210 is strip public electrode.
That is, common electrode layer 21 comprises multiple strip public electrode 210, each strip public electrode 210 comprises multiple narrow slit structure 211, can avoid the problem that the Display panel character caused because of stray capacitance between array layer and public electrode narrow slit structure 211 is deteriorated.
Wherein, the angle between pixel electrode 6 and public electrode narrow slit structure 211 is for being greater than 0 degree and being less than or equal to 10 degree.
Why so arrange, to meet liquid crystal molecule initial arrangement orientation problem, because liquid crystal molecule initial orientation needs to form certain angle with pixel electrode 6, this angle is generally 0-10 degree, display device just can normally work with this understanding, and the light transmission shaft of the first polaroid 1 is general consistent with liquid crystal molecular orientation with the light transmission shaft of the second polaroid 4, or it is vertical with liquid crystal molecular orientation, therefore, by the angle between pixel electrode 6 and public electrode narrow slit structure 211 for being greater than 0 degree and being less than or equal to 10 degree.
Wherein, the angle between pixel electrode 6 and public electrode 210 is for being greater than 0 degree and being less than or equal to 90 degree.
Why so arrange, because pixel electrode 6 and public electrode 210 are all strip shaped electric poles, angle between pixel electrode 6 and public electrode 210 be set to be greater than 0 degree and be less than or equal to 90 degree, relative to existing planar public electrode, better transmitance can be obtained.
Wherein, public electrode 210 adopts metal material to make.
Wherein, metal material is aluminium.
Why so arrange, be due to the electron mobility of metallic aluminium and electric conductivity good, and prepare the mature preparation process of electrode with metallic aluminium.Certainly, the metal material preparing public electrode 210 can also be other metal materials, as silver, as long as the electrode of preparation can be made to have good electric conductivity, does not repeat them here.
Please refer to Fig. 2, wherein, the width of public electrode 210 is 0.3 μm ~ 2.5 μm, and the spacing between adjacent two public electrodes 210 is 0.3 μm ~ 2.5 μm.
It should be noted that, the width of public electrode 210 refers to the length on the direction vertical with the length direction of public electrode 210, and the spacing between adjacent two public electrodes 210 refers to two the adjacent distances of strip public electrode 210 on the direction vertical with the length direction of public electrode 210.
Why so arrange, be due to the spacing between the width and adjacent two public electrodes 210 of public electrode 210 be 0.3 μm ~ 2.5 μm time, can obtain higher transmitance, when the spacing between adjacent two public electrodes 210 exceeds 2.5 μm, transmitance will reduce.
Please refer to Fig. 3, wherein, the height of each narrow slit structure 211 of public electrode 210 is 100nm ~ 300nm, and width is 30nm ~ 90nm, and the spacing between adjacent two narrow slit structures 211 is 100 ~ 150nm.
It should be noted that, the height of each narrow slit structure 211 of public electrode 210 refers to the distance of each narrow slit structure 211 relative to first substrate 20; The width of each narrow slit structure 211 of public electrode 210 refers to the length on the direction vertical with the length direction of each narrow slit structure 211 of public electrode 210, and the spacing between adjacent two narrow slit structures 211 refers to two the adjacent distances of narrow slit structure 211 on the direction vertical with the length direction of narrow slit structure 211.
Wherein, first substrate 2 is array base palte, and second substrate 3 is color membrane substrates.
As shown in Figure 4, the displaying principle of the present embodiment is as follows:
For the first polaroid 1, the direction of its light transmission shaft is parallel with the length side of public electrode narrow slit structure, the light transmission shaft direction of the second polaroid 4 is vertical with the light transmission shaft direction of the first polaroid 1, the light transmission shaft direction of liquid crystal molecule initial arrangement direction and the first polaroid 1 is parallel to each other, i.e. angle between the narrow slit structure of liquid crystal molecular orientation angle and pixel electrode 6 meets and is greater than 0 degree and is less than or equal to 10 degree; In addition, isolated by the first insulation course between pixel electrode 6 and common electrode layer 21.Please refer to Fig. 4, common electrode layer 21 not only plays the effect of electrode, also serves the effect of reflector plate, and that is, in the present embodiment, the region corresponding with common electrode layer 21 is exactly reflector space.
The implementation method of dark-state: when the semitransparent semi-inverse liquid crystal display panel not to the present embodiment applies voltage, the inceptive direction of liquid crystal molecule arranges along Y direction, for reflector space, when surround lighting is by after the second polaroid 4, become the linearly polarized light of Y-direction, and the linearly polarized light of Y-direction is can by the reflector space of common electrode layer 21 correspondence, absorbed when final arrival first polaroid 1, can not be reflected, thus make reflector space present dark-state, and for there is no the regional transmission of common electrode layer 21 correspondence, reflected light is not had to go back yet, do not repeat them here, the light sent when the backlight be arranged on below semitransparent semi-inverse liquid crystal display panel by the first polaroid 1 after, become the linearly polarized light of X-direction, for reflector space, the linearly polarized light of X-direction is cannot by the reflector space of common electrode layer 21 correspondence, and for regional transmission, the linearly polarized light of X-direction after liquid crystal molecule or X-direction, is cannot be the second polaroid 4 of Y-direction by light transmission shaft, thus the light of backlight also cannot pass through, therefore present dark-state.
The implementation method of on state of: when applying voltage to the semitransparent semi-inverse liquid crystal display panel of the present embodiment, liquid crystal molecule can deflect along X-Y plane, suppose that most on state of liquid crystal molecule phase delay is λ/2, when surround lighting can become the linearly polarized light of Y-direction from top to bottom after the second polaroid 4, and the linearly polarized light of Y-direction becomes the linearly polarized light of X-direction through liquid crystal molecule, and the linearly polarized light of X-direction cannot be reflected back by the narrow slit structure 211 of public electrode, the linearly polarized light of Y-direction is again become again through liquid crystal molecule, and through the second polaroid 4, thus present on state of.
The semitransparent semi-inverse liquid crystal display panel of the present embodiment, structure is simpler, does not need additionally to arrange compensate film, and can realize wide viewing angle display; In addition, because common electrode layer 21 in this semitransparent semi-inverse liquid crystal display panel comprises multiple public electrode 210, each public electrode 210 comprises multiple narrow slit structure 211, thus can avoid the problem that the Display panel character caused because of stray capacitance between the narrow slit structure 211 of array layer and public electrode is deteriorated; And the preparation method of this semitransparent semi-inverse liquid crystal display panel, preparation technology is easy, with low cost.
Embodiment 3:
Please refer to Fig. 5 and Fig. 6, the present embodiment provides a kind of semitransparent semi-inverse liquid crystal display panel, it has the structure similar with the semitransparent semi-inverse liquid crystal display panel of embodiment 2, the difference of itself and embodiment 2 is, first substrate 2 comprises pixel electrode 6, second substrate 3 comprises common electrode layer 21, and the angle 90 degree between pixel electrode 6 and public electrode 210.
The displaying principle of the semitransparent semi-inverse liquid crystal display panel of the present embodiment is similar to embodiment 2, does not repeat them here.
The semitransparent semi-inverse liquid crystal display panel of the present embodiment, structure is simpler, does not need additionally to arrange compensate film, and can realize wide viewing angle display; In addition, the present embodiment semitransparent semi-inverse liquid crystal display panel by single box MVA (Multi-domainVerticalAlignment, multi-domain vertical alignment) pattern achieve semi-transparent semi-reflecting effect; And the preparation method of this semitransparent semi-inverse liquid crystal display panel, preparation technology is easy, with low cost.
Obviously, the semitransparent semi-inverse liquid crystal display panel of the various embodiments described above also can carry out many changes; Such as: second substrate 3 comprises pixel electrode 6, first substrate 2 comprises common electrode layer 21.
Embodiment 4:
Please refer to Fig. 7, the present embodiment provides a kind of preparation method of semitransparent semi-inverse liquid crystal display panel, and semitransparent semi-inverse liquid crystal display panel is the semitransparent semi-inverse liquid crystal display panel described in embodiment 1 or 2 or 3, and this preparation method comprises:
Step 1, prepares first substrate;
Step 2, prepares second substrate;
Step 3, by first substrate and described second substrate to box.
The semitransparent semi-inverse liquid crystal display panel of the present embodiment, structure is simpler, does not need additionally to arrange compensate film, and can realize wide viewing angle display; And the preparation method of this semitransparent semi-inverse liquid crystal display panel, preparation technology is easy, with low cost.
Embodiment 5:
Present embodiments provide a kind of liquid crystal indicator, it comprises embodiment 1 or the semitransparent semi-inverse liquid crystal display panel described in 2 or 3.
Described display device can be: any product or parts with Presentation Function such as Electronic Paper, mobile phone, panel computer, televisor, display, notebook computer, digital album (digital photo frame), navigating instrument.
The liquid crystal indicator of the present embodiment comprises above-mentioned semitransparent semi-inverse liquid crystal display panel, this semitransparent semi-inverse liquid crystal display panel, and structure is simpler, does not need additionally to arrange compensate film, and can realize wide viewing angle display; And this method preparation technology is easy, with low cost.
Be understandable that, the illustrative embodiments that above embodiment is only used to principle of the present invention is described and adopts, but the present invention is not limited thereto.For those skilled in the art, without departing from the spirit and substance in the present invention, can make various modification and improvement, these modification and improvement are also considered as protection scope of the present invention.
Claims (11)
1. a semitransparent semi-inverse liquid crystal display panel, described semitransparent semi-inverse liquid crystal display panel forms echo area and transmission area, described semitransparent semi-inverse liquid crystal display panel comprises the first substrate and second substrate that are oppositely arranged and the liquid crystal layer between described first substrate and described second substrate, it is characterized in that, described first substrate comprises pixel electrode, described first substrate or described second substrate comprise common electrode layer, described common electrode layer is positioned at echo area, described common electrode layer comprises multiple public electrode, each described public electrode comprises multiple narrow slit structure.
2. semitransparent semi-inverse liquid crystal display panel according to claim 1, is characterized in that, described public electrode is strip public electrode.
3. semitransparent semi-inverse liquid crystal display panel according to claim 1, is characterized in that, the angle between described pixel electrode and described narrow slit structure is for being greater than 0 degree and being less than or equal to 10 degree.
4. semitransparent semi-inverse liquid crystal display panel according to claim 1, is characterized in that, the angle between described pixel electrode and described public electrode is for being greater than 0 degree and being less than or equal to 90 degree.
5. semitransparent semi-inverse liquid crystal display panel according to claim 1, is characterized in that, described public electrode adopts metal material to make.
6. semitransparent semi-inverse liquid crystal display panel according to claim 5, is characterized in that, described metal material is aluminium.
7. semitransparent semi-inverse liquid crystal display panel according to claim 1, is characterized in that, the width of described public electrode is 0.3 μm ~ 2.5 μm, and the spacing between adjacent two described public electrodes is 0.3 μm ~ 2.5 μm.
8. semitransparent semi-inverse liquid crystal display panel according to claim 1, it is characterized in that, the height of described each narrow slit structure of described public electrode is 100nm ~ 300nm, and width is 30nm ~ 90nm, and the spacing between adjacent two described narrow slit structures is 100 ~ 150nm.
9. semitransparent semi-inverse liquid crystal display panel according to claim 1, is characterized in that, described first substrate is array base palte, and described second substrate is color membrane substrates.
10. a preparation method for semitransparent semi-inverse liquid crystal display panel, is characterized in that, described semitransparent semi-inverse liquid crystal display panel is the semitransparent semi-inverse liquid crystal display panel described in claim 1 to 9 any one, and described method comprises:
Prepare first substrate;
Prepare second substrate;
By described first substrate and described second substrate to box.
11. 1 kinds of liquid crystal indicators, is characterized in that, comprise the semitransparent semi-inverse liquid crystal display panel in claim 1 to 9 described in any one.
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| CN201510616910.7A CN105116641A (en) | 2015-09-24 | 2015-09-24 | Semitransparent semireflective liquid crystal display panel, manufacturing method thereof and liquid crystal display device |
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| CN201510616910.7A CN105116641A (en) | 2015-09-24 | 2015-09-24 | Semitransparent semireflective liquid crystal display panel, manufacturing method thereof and liquid crystal display device |
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Cited By (1)
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| CN113253504A (en) * | 2021-05-13 | 2021-08-13 | Tcl华星光电技术有限公司 | Display panel and display device |
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