CN1333294C - Penetration reflection liquid crystal display device - Google Patents
Penetration reflection liquid crystal display device Download PDFInfo
- Publication number
- CN1333294C CN1333294C CNB2004100042636A CN200410004263A CN1333294C CN 1333294 C CN1333294 C CN 1333294C CN B2004100042636 A CNB2004100042636 A CN B2004100042636A CN 200410004263 A CN200410004263 A CN 200410004263A CN 1333294 C CN1333294 C CN 1333294C
- Authority
- CN
- China
- Prior art keywords
- liquid crystal
- electrode layer
- substrate
- transparent electrode
- display device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 138
- 230000035515 penetration Effects 0.000 title claims abstract description 38
- 230000005684 electric field Effects 0.000 claims abstract description 20
- 239000010410 layer Substances 0.000 claims description 144
- 239000000758 substrate Substances 0.000 claims description 77
- 229910052751 metal Inorganic materials 0.000 claims description 43
- 239000002184 metal Substances 0.000 claims description 43
- 238000000034 method Methods 0.000 claims description 19
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 239000011229 interlayer Substances 0.000 claims description 10
- 238000013461 design Methods 0.000 abstract description 6
- 239000007769 metal material Substances 0.000 abstract 1
- 230000000149 penetrating effect Effects 0.000 description 31
- 230000000694 effects Effects 0.000 description 14
- 238000010586 diagram Methods 0.000 description 8
- 239000011521 glass Substances 0.000 description 7
- 210000002858 crystal cell Anatomy 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 230000003287 optical effect Effects 0.000 description 6
- 230000010287 polarization Effects 0.000 description 5
- 239000004020 conductor Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 240000001439 Opuntia Species 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- MRNHPUHPBOKKQT-UHFFFAOYSA-N indium;tin;hydrate Chemical compound O.[In].[Sn] MRNHPUHPBOKKQT-UHFFFAOYSA-N 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Abstract
The present invention provides a penetration reflection type liquid crystal display device. A spacing layer is added between two electrode layers; a picture element electrode made of metallic materials is manufactured on a relative position of the spacing layer to make a reflection region formed between the picture element electrode and the spacing layer. Because the present invention designs the spacing layer between a share electrode and the picture element electrode, an electric field borne by a liquid crystal positioned between the spacing layer and the picture element electrode is not greater than electric fields borne by liquid crystals positioned at other parts. Accordingly, the light ray penetration rate curves of voltage generated by the liquid crystal display device in a penetration region or the reflection region are consistent.
Description
Technical field
The present invention relates to a kind of liquid crystal indicator, particularly a kind of vertical orientation type (VerticalAlignment, transmissive and reflective liquid crystal display device VA).
Background technology
The liquid crystal indicator of known penetrate through reflective type, for the stable of processing procedure and reduce cost, use mixes twisted nematic (Mixed Twisted Nematic, manufacture MTN) more.
See also Fig. 1, Fig. 1 is the synoptic diagram of the transmissive and reflective liquid crystal display device 10 of known MTN type.Simply illustrated the mode of action of known MTN type liquid crystal indicator among Fig. 1, known MTN type liquid crystal indicator 10 has comprised polaroid 12 on, a top glass substrate 14, a top electrode 16, a liquid crystal layer 18, a bottom electrode 20, a lower glass substrate 22 and polaroid 24 once at least.
The mode of action of known MTN type liquid crystal indicator 10 is as follows.When being in the state (ONstate) that electrode activates, be to apply a voltage by 16,20 pairs of liquid crystal layers 18 of upper and lower electrode.In Fig. 1, this voltage can cause a vertical electric field, the arrangement mode of liquid crystal molecule in the liquid crystal layer 18 is changed, and attempting being arranged in the direction identical with electric field.Because both polarization directions of the upper and lower Polarizer 12,24 among Fig. 1 differ 90 degree, therefore working as known MTN type liquid crystal indicator 10 is under the state of ON, then light is earlier by after Polarizer 24 polarizations 90 are spent down, form the state vertical with last Polarizer 16, and because this moment, liquid crystal arrangement was consistent with direction of an electric field, to can not change the polarization state of light, so light can't pass through last Polarizer, and form the show state of black.
If electrode does not apply a voltage to (OFF state) on the liquid crystal layer, then can cause light polarization 90 degree in upper and lower glass substrate 14,22 that pass through.The polarization direction of the upper and lower Polarizer in Fig. 1 has also differed 90 degree, so light can pass through last polaroid 16, the state of therefore formation white just.
But known MTN type liquid crystal indicator has at least two shortcomings.Therefore at first, when electrode application voltage, liquid crystal molecule also can't completely be arranged in identically with direction of an electric field, causes to show black fully, and then has reduced known MTN type contrast of LCD degree (complete black and full ratio when bright).Moreover, cause to turn to and need the regular hour owing to apply a voltage to liquid crystal molecule, cause the reaction velocity of whole liquid crystal indicator slow excessively.
Fujitsu proposed the solution of the problems referred to above in 1996, be called vertical orientation type (VerticalAlignment, VA) liquid crystal indicator.In the system of VA type, liquid crystal molecule be to arrange by an alignment film that to be formed in Polarizer vertical, so light can't pass through under logical voltage condition.If apply a voltage on the liquid crystal molecule, then the liquid crystal arrangement mode will be revolved and be turn 90 degrees, and make light be able to break-through and cross Polarizer up and down.Known VA type liquid crystal indicator can effectively improve the shortcoming of known MTN type liquid crystal indicator, has not only improved contrast, and has promoted reaction velocity.But because the orientation of liquid crystal molecule perpendicular to last Polarizer, then is parallel during energising, therefore known VA type liquid crystal indicator has produced the problem of watching angle.For instance, when the user sees blueness in the display device front, expression voltage that electrode applies only has half (the highest then display white of voltage), therefore liquid crystal molecule also only rotates half, if the user is toward moving to right tens centimeters, then make liquid crystal molecule exactly perpendicular to the user, so the user will see white but not blueness.
For solving this visual angle problem, take multiregional vertical align (Multi-domain VerticalAlignment, MVA) liquid crystal indicator of type at present more.See also Fig. 2, Fig. 2 is the comparison synoptic diagram of known VA liquid crystal indicator 30 and MVA liquid crystal indicator 40.VA liquid crystal indicator and MVA liquid crystal indicator have all comprised 26,28 and one groups of upper and lower electrodes 32,34 of one group of upper and lower glass substrate.Different is, MVA has done a plurality of protrusions (protrusions) 36 on upper and lower electrode layer 32,34, liquid crystal layer is defined a plurality of zones (domain),, can have akin color performance no matter make the user when liquid crystal indicator is looked in what angle sight.
Yet because the development of lcd technology, because its compact characteristic, more liquid crystal indicator has and is disposed on the carry-on equipment at present, for example mobile phone, PDA(Personal Digital Assistant) etc.Therefore, if at present liquid crystal indicator only utilizes backlight that light is provided,, will cause demonstration bright inadequately and do not see the situation of Chu's displaying contents because outdoor light is strong; In addition, backlight is quite power consumption also, all this all LCD problems on equipment uses with oneself that all causes.In view of this, liquid crystal indicator adopts penetrating reflective more at present, that is except backlight provides light, light source is reflected and is formed another light source arround also can using, can effectively improve the lightness of liquid crystal indicator and the result of use under the high light, and the backlight luminous quantity reduces, and therefore also can effectively save electric weight.
No matter but be MTN, VA or the transmissive and reflective liquid crystal display device of MVA type, owing to the relation that light comes the source position, penetrating the liquid crystal display of mode section, light only need penetrate liquid crystal layer one time.And the liquid crystal display of reflective-mode part, its light is owing to come from the outside, must be earlier reflection is through liquid crystal layer for the second time again after once by liquid crystal layer.Therefore, if control improperly, in same liquid crystal indicator, penetration region will have different effects with the light that reflector space passes through, and cause lightness uneven and contrast unconspicuous problem easily.
Summary of the invention
The purpose of this invention is to provide a kind of transmissive and reflective liquid crystal display device, in order to apply under the same voltage condition, can make liquid crystal indicator reach the pattern of penetrating and have identical light penetration effect, effectively improve the lightness and the contrast of liquid crystal indicator with reflective-mode.
The technical scheme that realizes transmissive and reflective liquid crystal display device of the present invention is as follows.
A kind of transmissive and reflective liquid crystal display device comprises:
One first substrate and one second substrate; It is characterized in that:
A plurality of first transparent electrode layers are formed on this first substrate, and towards this second substrate;
At least one metal electrode layer is formed on this first substrate, and towards this second substrate, and insert in the described first transparency electrode interlayer between being;
One second transparent electrode layer is formed on this second substrate, and towards this first substrate;
At least one wall is formed on this second transparent electrode layer, and is positioned at the correspondence position of this metal electrode layer; And
One liquid crystal layer is formed in one first gap between described first transparent electrode layer and this second transparent electrode layer, and in one second gap between this metal electrode layer and this wall.
Described transmissive and reflective liquid crystal display device is characterized in that: further comprise a plurality of thrusts, this thrust is formed on this second transparent electrode layer, and corresponds to this first transparent electrode layer.
Described transmissive and reflective liquid crystal display device is characterized in that: this liquid crystal layer is not more than this liquid crystal layer suffered electric field between described first transparent electrode layer and this second transparent electrode layer in the suffered electric field of this wall and this metal electrode interlayer.
Described transmissive and reflective liquid crystal display device is characterized in that: further comprise a backlight and penetrate away via this first substrate, this second substrate to produce light.
Described transmissive and reflective liquid crystal display device, it is characterized in that: apply one first voltage at described first transparent electrode layer and this metal electrode layer, and apply one second voltage at this second transparent electrode layer and this wall, corresponding to the light penetration rate of described first transparent electrode layer and this second transparent electrode layer with roughly the same corresponding to the light penetration rate of this metal electrode layer and this wall.
The present invention also provides a kind of manufacture method of transmissive and reflective liquid crystal display device, it is characterized in that comprising:
Form one first substrate and one second substrate;
Form a plurality of first transparent electrode layers on this first substrate and towards this second substrate;
Form at least one metal electrode layer on this first substrate and, and insert in described a plurality of first transparency electrode interlayer between being towards this second substrate;
Form one second transparent electrode layer on this second substrate and towards this first substrate;
Form at least one wall on this second transparent electrode layer and be positioned at the correspondence position of this metal electrode layer; And
Form in one first gap of a liquid crystal layer between described first transparent electrode layer and this second transparent electrode layer, and in one second gap between this metal electrode layer and this wall.
The manufacture method of described transmissive and reflective liquid crystal display device: it is characterized in that further comprising the following step:
Form a plurality of thrusts on this second transparent electrode layer, and this thrust corresponds to described first transparent electrode layer.
The manufacture method of described transmissive and reflective liquid crystal display device: it is characterized in that: liquid crystal layer in the suffered electric field of this compartment layer and this metal electrode interlayer less than this liquid crystal layer suffered electric field between described first transparent electrode layer and described second transparent electrode layer.
The manufacture method of described transmissive and reflective liquid crystal display device: it is characterized in that further comprising the following step:
Assembling a backlight penetrates away via this first substrate, this second substrate to produce light.
A kind of transmissive and reflective liquid crystal display device provided by the present invention (transflective LCD) comprises one first substrate, one second substrate, a plurality of first transparent electrode layer, at least one metal electrode layer, a liquid crystal layer, one second transparent electrode layer and at least one wall.
First substrate and second substrate are as the basis that forms each layer.A plurality of first transparent electrode layers are formed on first substrate, and towards second substrate.At least one metal electrode layer is formed on first substrate, and towards second substrate, and insert in the described first transparency electrode interlayer between being.So far can summarize the first that is called liquid crystal indicator of the present invention.
Second transparent electrode layer is formed on second substrate, and towards first substrate.At least one wall then is formed on second transparent electrode layer, and is positioned at the correspondence position of metal electrode layer.So far then can summarize the second portion that is called liquid crystal indicator of the present invention.First and second portion are can separate to make to lower Production Time, treat that both finish after, more in addition at interval a gap with the filling liquid crystal layer.
Wherein this second transparent electrode layer and this metal electrode interlayer be owing to add this wall, so the therebetween suffered electric field of this liquid crystal layer is to be not more than this liquid crystal layer suffered electric field between described first transparent electrode layer and described second transparent electrode layer.And owing to add wall, so the thickness of liquid crystal layer is also less, though therefore through the light process liquid crystal layer twice of metal electrode reflection, total optical path can be controlled by the thickness of wall.
The invention has the advantages that:
The present invention by the thickness of adjusting wall, changes total optical path and the liquid crystal molecule suffered voltage of reflection ray by liquid crystal molecule owing to added wall simultaneously, makes that the light penetration effect of the light penetration effect of reflector space and penetration region is consistent.And then obtain best show state, it is inhomogeneous to remedy the known techniques lightness, the problem that contrast is not good.
Can be further understood by following specific embodiment detailed description in conjunction with the accompanying drawings about the advantages and spirit of the present invention.
Description of drawings
Fig. 1 is the synoptic diagram of the transmissive and reflective liquid crystal display device of known MTN type.
Fig. 2 is the comparison synoptic diagram of known VA liquid crystal indicator and MVA liquid crystal indicator.
Fig. 3 is the synoptic diagram of a liquid crystal cells in the penetrate through reflective type liquid crystal indicator of the present invention.
Fig. 4 is the synoptic diagram of MVA type transmissive and reflective liquid crystal display device of the present invention.
Fig. 5 A is that the voltage of known MTN type penetrating region is to the penetrance curve map.
Fig. 5 B is that the voltage of known MTN type echo area is to the penetrance curve map.
Fig. 6 A uses the voltage of MVA type penetrating region behind the present invention to the penetrance curve map.
Fig. 6 B uses the voltage of MVA type echo area behind the present invention to the penetrance curve map.
Embodiment
See also Fig. 3, Fig. 3 is the synoptic diagram of a liquid crystal cells 50 in the penetrate through reflective type liquid crystal indicator of the present invention.The liquid crystal cells 50 of penetrate through reflective type liquid crystal indicator of the present invention comprises one first substrate 38, one second substrate 42, a plurality of first transparent electrode layer 44, at least one metal electrode layer 46, a liquid crystal layer 48, one second transparent electrode layer 52 and at least one wall 54.
44 of a plurality of first transparent electrode layers are formed on first substrate 38, and towards second substrate 42.First transparent electrode layer 44 in this specific embodiment is the pixel electrode layer, and whole liquid crystal indicator is with the parallel distribution of strip, therefore sees it with Fig. 3 sectional view, is the block that separates one by one.The material of first transparent electrode layer 44 is that (Indium-Tin Oxide, ITO) electro-conductive glass have good light penetration rate to tin indium oxide in this specific embodiment.In other specific embodiment, also can utilize different transparent conductive materials to make first transparency electrode 44 of the present invention.
Form at least one metal electrode layer 46 44 of at least two first predetermined transparent electrode layers, metal electrode layer 46 is to be formed on first substrate 38 equally, and towards second substrate 42, and identical with the arrangement mode of first transparent electrode layer 44.Because the material of this metal electrode is a metal, as aluminium (Al), chromium (Cr), copper good conductive materials such as (Cu).Because the good reflection characteristic of metal, can with by arround the light of incident reflected.Therefore, in Fig. 3, first transparency electrode, 44 pairing parts can be referred to as penetration region, and metal electrode 46 pairing parts then can be referred to as reflector space.First substrate 38, a plurality of transparency electrode 44 and at least one metal electrode 46 can be summarized the first 56 that is called liquid crystal indicator of the present invention among Fig. 3.In the application of reality, outside first substrate 38, also comprise the assembly of many reinforcement liquid crystal indicator display effects, as 1/4 ripple plate and Polarizer.But because therefore the non-emphasis of the present invention of these assemblies is not given unnecessary details at this.
Second transparent electrode layer 52 is to be formed on second substrate 42 and towards first substrate 38.Second transparent electrode layer 52 in this specific embodiment is a shared electrode layer, in whole liquid crystal indicator, is with layered distribution, therefore sees it with Fig. 3 sectional view, is an intact block.The material of second transparent electrode layer 52 is the ITO electro-conductive glass also in this specific embodiment, has good light penetration rate.In other specific embodiment, also can utilize different transparent conductive materials to make second transparency electrode 52 of the present invention.
At least one wall 54 is formed on second transparent electrode layer 52.In specific embodiments of the invention, its quantity, position and area all correspond to position, quantity and the area of metal electrode layer 46.Yet in other specific embodiment, the position of wall 54, quantity and area can be different with metal electrode 46 along with user's design, though the necessary corresponding the metal electrode 46 but position is removable is to reach the effect that control reflection ray total optical path and reduction apply electric field.Wherein, the height h of wall 54 can design about 1 μ m, thickness of liquid crystal layer d1 52 of first transparency electrode 44 and second transparency electrodes is about 4 μ m, is about 3 μ m at the thickness of liquid crystal layer d2 of 46 of wall 54 and metal electrodes, then can design as for the width w of wall to be about 30 μ m.The material of wall 54 also is the material of transparent and easy conduction, to reach the effect that penetrates light and transmit the voltage that second transparency electrode 52 applied.Second substrate 42 of the present invention, second transparent electrode layer 52 and 54 of walls can be summarized the second portion 58 that is called liquid crystal indicator of the present invention.In the application of reality, outside second substrate 42, also comprise the assembly of many reinforcement liquid crystal indicator display effects, as 1/4 ripple plate and Polarizer (being symmetrical in first).But because therefore the non-emphasis of the present invention of these assemblies is not given unnecessary details at this.
In order to save Production Time, first 56 is can separate simultaneously to make with second portion 58.After completing, remerge assembling and one gap, interval with filling liquid crystal layer 48.In other words, liquid crystal molecule is to be filled between first transparent electrode layer 44 and second transparent electrode layer 52 and in the gap that is separated between metal electrode layer 46 and the wall 54.
Second transparent electrode layer 52 and metal electrode layer 46 (being aforesaid echo area) are owing to add wall 54, therefore when electrode began to apply voltage, the suffered electric field of the liquid crystal molecule of echo area was to be not more than liquid crystal molecule suffered electric field between first transparent electrode layer 44 and second transparent electrode layer 52 (being aforesaid penetrating region).And can be by the thickness of regulation and control wall 54, control the total optical path of twice of the reflection of light between the echo area.Make and apply under the situation of same voltage at electrode, the electric field that in fact echo area and penetrating region are subjected to is inequality, and the light total optical path of the total optical path of reflection ray and penetrating region furthers, and makes the light penetration effect of echo area obtain to improve under both comprehensive situations about changing.And then make the light penetration effect of echo area be equal to the light penetration effect of penetrating region, it is inhomogeneous and contrast unconspicuous problem to have removed the known techniques lightness.
Another characteristics of the present invention are can be applicable to the Refrection/peneting type liquid crystal indicator of known various kenels, as MTN type, VA type and MVA type Refrection/peneting type liquid crystal indicator.In the application of MTN type and VA type, as long as cooperate the design of transmissive and reflective liquid crystal display device originally,, add a wall at the metal electrode of echo area and the relative position of opposite transparency electrode, can finish application of the present invention.As for the application of MVA type, then see also Fig. 4, Fig. 4 is the synoptic diagram of MVA type penetrating reflective liquid crystal cells 60 of the present invention.In Fig. 4, since similar among many arrays part function and Fig. 3, therefore repeat no more, but the characteristics of MVA type promptly are to have added a plurality of thrusts 62, these a plurality of thrusts 62 are to be formed on the shared electrode and to correspond to the pixel electrode position in known techniques.And in an application of the invention, equally only need to belong to the part of metal electrode with in the pixel electrode, its corresponding thrust is converted to wall of the present invention, then can finish application of the present invention.Therefore the present invention can be incorporated in the middle of the processing procedure of known techniques easily, when making protrusion, makes wall.And when making transparent pixel electrode, make metal pixel electrode.By the processing procedure that improves known techniques a little, can finish the present invention, proved practical value of the present invention.
Lay special stress on a bit in addition, the present invention only is described in the structure of the liquid crystal cells between first substrate and second substrate, but when finishing a LCD, then must such as in the prior art introduction, still must add Polarizer and the structures such as backlight that emit beam, just calculate the complete construction of a LCD, and, different designs will be arranged along with the difference of using.Yet emphasis of the present invention does not lie in other attachment component, therefore explains liquid crystal cells part wherein emphatically.
Then will be with the experimental data of emulation to verify practicality of the present invention.See also Fig. 5 A, Fig. 5 B, Fig. 6 A and Fig. 6 B.Fig. 5 A is that the voltage of penetrating region of known MTN type is to the penetrance curve map, Fig. 5 B is that the voltage of known MTN type echo area is to the penetrance curve map, Fig. 6 A uses the voltage of the penetrating region of MVA type behind the present invention to the penetrance curve map, and Fig. 6 B uses the voltage of MVA type echo area behind the present invention to the penetrance curve map.This four figure experiment simulation is that penetrating region in the liquid crystal indicator and echo area are measured respectively.When penetrating region, according to applying different voltage in the penetrance backlight that liquid crystal layer obtained, and corresponding display device applies voltage to the light penetration rate curve when penetrating region.Utilize identical method to measure the echo area again, apply different voltage and measure the reflection ray penetrance that obtains, and must this apply voltage to the light penetration rate curve when being installed on the echo area in liquid crystal layer.
Wherein the condition that adopted when carrying out emulation of Fig. 5 A, Fig. 5 B is shown in following table one.The longitudinal axis among Fig. 5 A, Fig. 5 B is penetrance (Transmittance), and transverse axis is then for applying voltage (Applied Voltage).Relatively whether penetrance is identical for convenience, the voltage that applies during special will high penetration the appearance is represented with L1, the voltage that applies when 80% of high penetration occurs is then represented with L2, the voltage that applies when 50% of high penetration occurs is then represented with L3, the voltage that applies when 30% of high penetration occurs is then represented with L4, the voltage that applies when 20% of high penetration occurs is then represented with L5, the voltage that applies when 10% of high penetration occurs then represents with L6, and applies the voltage arrangement as table two with what each grade penetrance corresponded to echo area and penetrating region.Can find that from Fig. 5 A, Fig. 5 B and table two when (Fig. 5 A), L1 appears at when applying voltage 0.80V in the echo area, L2 then appears at 1.38V, and L3 appears at 1.69V, and L4 appears at 1.93V, and L5 appears at 2.11V, and L6 appears at 2.40V.When penetrating region (Fig. 5 B), L1 appears at when applying voltage 0.80V, and L2 then appears at 1.20V, and L3 appears at 1.49V, and L4 appears at 1.72V, and L5 appears at 1.88V, and L6 appears at 2.15V.
Table one
| Pattern | Attachment component | The source | Note |
| The echo area | Polaroid | Nitto Polarizer | |
| λ/4 wave plates | Arton Film | Major axis 45 degree | |
| Liquid crystal layer | Merk5036 | Friction orientation (Rubbing) angle: 30-110 degree gap (Gap): the pitch (pitch) of 4 μ m liquid crystal: 80 μ m tilt angles: 8 degree | |
| The reflection horizon | Snell’s Law | ||
| Penetrating region | Polaroid | Nitto Polarizer | |
| λ/4 wave plates | Arton Film | Major axis 45 degree | |
| Liquid crystal layer | Merk5036 | Friction orientation angle: 30-110 degree gap: the pitch of 4 μ m liquid crystal: 80 μ m tilt angles: 8 degree | |
| λ/4 wave plates | Arton Film | Major axis 135 degree | |
| Polaroid | Nitto Polarizer | Penetrating shaft 90 degree |
Table two
| Number percent with high penetration | The echo area apply magnitude of voltage | Penetrating region apply magnitude of voltage | The |
| 100％ | 0.80V | 0.80 |
0 |
| 80％ | 1.38V | 1.20V | 0.18 |
| 50％ | 1.69V | 1.49V | 0.20 |
| 30％ | 1.93V | 1.72V | 0.21 |
| 20％ | 2.11V | 1.88V | 0.23 |
| 10％ | 2.40V | 2.15V | 0.25 |
The condition that Fig. 6 A, Fig. 6 B are adopted when carrying out emulation is shown in following table three.The longitudinal axis among Fig. 6 A, Fig. 6 B is penetrance (Transmittance), and transverse axis is then for applying voltage (Applied Voltage).Identical with the comparative approach of Fig. 5, the voltage that applies during special will high penetration the appearance is represented with L1, the voltage that applies when 80% of high penetration occurs is then represented with L2, the voltage that applies when 50% of high penetration occurs is then represented with L3, the voltage that applies when 30% of high penetration occurs is then represented with L4, the voltage that applies when 20% of high penetration occurs represents with L5 that then the voltage that applies when 10% of high penetration occurs is then represented with L6.Same, what also each grade penetrance is corresponded to echo area and penetrating region applies the voltage arrangement as table four.Can find that from Fig. 6 A, Fig. 6 B and table four when (Fig. 6 A), L1 appears at when applying voltage 3.80V in the echo area, L2 then appears at 3.06V, and L3 appears at 2.73V, and L4 appears at 2.54V, and L5 appears at 2.44V, and L6 appears at 2.29V.When penetrating region (Fig. 6 B), L1 appears at when applying voltage 3.80V, and L2 then appears at 3.15V, and L3 appears at 2.79V, and L4 appears at 2.58V, and L5 appears at 2.47V, and L6 appears at 2.32V.
Can find out obviously that from Fig. 5 A, Fig. 5 B and Fig. 6 A, Fig. 6 B the voltage of penetrating region and echo area is very inconsistent to the penetrance curve among Fig. 5 A, Fig. 5 B, especially the voltage difference of L1～L6 each point is apart from bigger (seeing Table two).The voltage of penetrating region and echo area is then quite consistent to the penetrance curve in Fig. 6 A, Fig. 6 B, and the voltage difference of L1～L6 each point is apart from less (seeing Table four).Therefore, by the evidence of experiment simulation data, the present invention has obviously improved the light penetration effect of reflector space owing to added wall, makes the light penetration effect of itself and penetration region reach unanimity.Proved that the present invention and known techniques compare, had preferable contrast effect and bright uniformly performance relatively.
Table three
| Pattern | Attachment component | The source | Note |
| The echo area | Polaroid | Nitto Polarizer | Penetrating shaft 125 degree |
| λ/4 wave plates | Arton Film | Major axis 170 degree | |
| Liquid crystal layer | Merk6608 | Friction orientation angle: 200-290 degree gap: the pitch of 3 μ m liquid crystal: 80 μ m tilt angles: 87 degree | |
| The reflection horizon | Snell’s Law | ||
| Penetrating region | Polaroid | Nitto Polarizer | Penetrating shaft 125 degree |
| λ/4 wave plates | Arton Film | Major axis 170 degree | |
| Liquid crystal layer | Merk6608 | Friction orientation angle: 200-290 degree gap: the pitch of 5.2 μ m liquid crystal: 80 μ m tilt angles: 87 degree | |
| λ/4 wave plates | Arton Film | Major axis 80 degree | |
| Polaroid | Nitto Polarizer | Penetrating shaft 35 degree |
Table four
| Number percent with high penetration | The echo area apply magnitude of voltage | Penetrating region apply magnitude of voltage | The |
| 100％ | 3.80V | 3.80 |
0 |
| 80％ | 3.06V | 3.15V | 0.09 |
| 50％ | 2.73V | 2.79V | 0.06 |
| 30％ | 2.54V | 2.58V | 0.04 |
| 20％ | 2.44V | 2.47V | 0.03 |
| 10％ | 2.29V | 2.32V | 0.03 |
By the above detailed description of preferred embodiments, be to wish to know more to describe feature of the present invention and spirit, and be not to come category of the present invention is limited with above-mentioned disclosed preferred embodiment.On the contrary, its objective is that hope can contain in the category of claim of being arranged in of various changes and tool equality institute of the present invention desire application.
Claims (9)
1, a kind of transmissive and reflective liquid crystal display device comprises:
One first substrate and one second substrate; It is characterized in that:
A plurality of first transparent electrode layers are formed on this first substrate, and towards this second substrate;
At least one metal electrode layer is formed on this first substrate, and towards this second substrate, and inserts in the described first transparency electrode interlayer;
One second transparent electrode layer is formed on this second substrate, and towards this first substrate;
At least one wall is formed on this second transparent electrode layer, and is positioned at the correspondence position of this metal electrode layer; And
One liquid crystal layer is formed in one first gap between described first transparent electrode layer and this second transparent electrode layer, and in one second gap between this metal electrode layer and this wall.
2, transmissive and reflective liquid crystal display device according to claim 1 is characterized in that: further comprise a plurality of thrusts, this thrust is formed on this second transparent electrode layer, and corresponds to this first transparent electrode layer.
3, transmissive and reflective liquid crystal display device according to claim 1 is characterized in that: the suffered electric field of the liquid crystal layer of this wall and this metal electrode interlayer is not more than the suffered electric field of liquid crystal layer between this first transparent electrode layer and this second transparent electrode layer.
4, the transmissive and reflective liquid crystal display device of stating according to claim 3 is characterized in that: further comprise a backlight, to produce the light that penetrates away via this first substrate, this second substrate.
5, transmissive and reflective liquid crystal display device according to claim 4, it is characterized in that: apply one first voltage at described first transparent electrode layer and this metal electrode layer, and apply one second voltage at this second transparent electrode layer and this wall, corresponding to the light penetration rate of described first transparent electrode layer and this second transparent electrode layer with roughly the same corresponding to the light penetration rate of this metal electrode layer and this wall.
6, a kind of manufacture method of transmissive and reflective liquid crystal display device is characterized in that comprising:
Form one first substrate and one second substrate;
On this first substrate, form a plurality of first transparent electrode layers, and these a plurality of first transparent electrode layers are towards this second substrate;
On this first substrate, form at least one metal electrode layer, and this metal electrode layer is towards this second substrate, and inserts in described a plurality of first transparency electrode interlayer between being;
On this second substrate, form one second transparent electrode layer, and this two transparent electrode layer is towards this first substrate;
Form at least one wall on this second transparent electrode layer and be positioned at the correspondence position of this metal electrode layer; And
In first gap and second gap between this metal electrode layer and this wall between described first transparent electrode layer and this second transparent electrode layer, form a liquid crystal layer.
7, the manufacture method of transmissive and reflective liquid crystal display device according to claim 6: it is characterized in that further comprising the following step:
On this second transparent electrode layer, form a plurality of thrusts, and this thrust corresponds to described first transparent electrode layer.
8, the manufacture method of transmissive and reflective liquid crystal display device according to claim 6: it is characterized in that: in the suffered electric field of the liquid crystal layer of this wall and this metal electrode interlayer less than the suffered electric field of liquid crystal layer between described first transparent electrode layer and this second transparent electrode layer.
9, the manufacture method of transmissive and reflective liquid crystal display device according to claim 8: it is characterized in that further comprising the following step:
Assembling a backlight penetrates away via this first substrate, this second substrate to produce light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100042636A CN1333294C (en) | 2004-02-16 | 2004-02-16 | Penetration reflection liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100042636A CN1333294C (en) | 2004-02-16 | 2004-02-16 | Penetration reflection liquid crystal display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1560685A CN1560685A (en) | 2005-01-05 |
| CN1333294C true CN1333294C (en) | 2007-08-22 |
Family
ID=34439541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100042636A Expired - Fee Related CN1333294C (en) | 2004-02-16 | 2004-02-16 | Penetration reflection liquid crystal display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1333294C (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5841494A (en) * | 1996-06-26 | 1998-11-24 | Hall; Dennis R. | Transflective LCD utilizing chiral liquid crystal filter/mirrors |
| JP2002098954A (en) * | 2000-07-21 | 2002-04-05 | Citizen Watch Co Ltd | Translucent reflective liquid crystal display device |
| US6671015B2 (en) * | 2000-09-18 | 2003-12-30 | Alps Electric Co., Ltd. | Transflective liquid crystal display with backlight and reflection film |
-
2004
- 2004-02-16 CN CNB2004100042636A patent/CN1333294C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5841494A (en) * | 1996-06-26 | 1998-11-24 | Hall; Dennis R. | Transflective LCD utilizing chiral liquid crystal filter/mirrors |
| JP2002098954A (en) * | 2000-07-21 | 2002-04-05 | Citizen Watch Co Ltd | Translucent reflective liquid crystal display device |
| US6671015B2 (en) * | 2000-09-18 | 2003-12-30 | Alps Electric Co., Ltd. | Transflective liquid crystal display with backlight and reflection film |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1560685A (en) | 2005-01-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101535884B (en) | Liquid crystal device and display apparatus | |
| CN100451794C (en) | Transflective liquid crystal display device and method for manufacturing the same | |
| KR0148502B1 (en) | Lcd device | |
| US7420635B2 (en) | Liquid crystal display and electronic apparatus having a quasi-isotropic liquid crystal material | |
| CN100595659C (en) | Liquid crystal display device and manufacturing method thereof | |
| CN101238408B (en) | Liquid crystal display device and electronic device using the same | |
| CN101828142A (en) | Liquid crystal device | |
| KR20040073460A (en) | Transflective liquid crystal display device | |
| CN100451800C (en) | Display device | |
| US20090136688A1 (en) | Low power bistable device and method | |
| KR20000053405A (en) | Reflective liquid crystal display element | |
| CN103907053A (en) | Liquid crystal display device | |
| CN101571652B (en) | Liquid crystal display screen | |
| CN102466914A (en) | Smectic state liquid crystal color display | |
| CN101644845B (en) | Full-color reflection type smectic liquid crystal display device with high contrast | |
| CN104062809B (en) | Dual display mode LCD | |
| EP2437111A1 (en) | Liquid crystal panel, method for manufacturing same, and liquid crystal display device | |
| US20090244452A1 (en) | Liquid crystal display element and electronic paper utilizing the same | |
| CN100374943C (en) | In-plane switching mode liquid crystal display device | |
| CN100573889C (en) | Active element array base plate pixel structure | |
| CN112327544A (en) | Pixel unit, display panel and display device | |
| CN1333294C (en) | Penetration reflection liquid crystal display device | |
| CN100483191C (en) | Semi-penetration and semi-reflective liquid crystal display device | |
| US7211457B2 (en) | Transflective LCD (liquid crystal display) panel and method of constructing the same | |
| JP2001311969A (en) | Light modulating device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070822 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |