CN101498870B - Reflective-transmissive liquid crystal display device - Google Patents
Reflective-transmissive liquid crystal display device Download PDFInfo
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- CN101498870B CN101498870B CN2008100333447A CN200810033344A CN101498870B CN 101498870 B CN101498870 B CN 101498870B CN 2008100333447 A CN2008100333447 A CN 2008100333447A CN 200810033344 A CN200810033344 A CN 200810033344A CN 101498870 B CN101498870 B CN 101498870B
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 43
- 230000005540 biological transmission Effects 0.000 claims abstract description 62
- 229910052751 metal Inorganic materials 0.000 claims abstract description 39
- 239000002184 metal Substances 0.000 claims abstract description 39
- 239000000758 substrate Substances 0.000 claims abstract description 32
- 239000010410 layer Substances 0.000 claims description 32
- 238000009413 insulation Methods 0.000 claims description 14
- 239000012528 membrane Substances 0.000 claims description 12
- 239000010409 thin film Substances 0.000 claims description 7
- 229910021654 trace metal Inorganic materials 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 239000004332 silver Substances 0.000 claims description 2
- 239000011521 glass Substances 0.000 abstract description 10
- 150000002739 metals Chemical class 0.000 description 8
- 229910004205 SiNX Inorganic materials 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 230000004048 modification Effects 0.000 description 6
- 238000012986 modification Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000010408 film Substances 0.000 description 4
- 210000002858 crystal cell Anatomy 0.000 description 2
- 238000003487 electrochemical reaction Methods 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000001259 photo etching Methods 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
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- 238000005304 joining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910052752 metalloid Inorganic materials 0.000 description 1
- 150000002738 metalloids Chemical class 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
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- 125000006850 spacer group Chemical group 0.000 description 1
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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
- G02F1/133555—Transflectors
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- Nonlinear Science (AREA)
- Liquid Crystal (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
Abstract
The invention provides a reflective transmission type liquid crystal display device, which comprises an upper substrate, a lower substrate, a liquid crystal layer, a plurality of scanning lines, a plurality of data lines and a plurality of pixel areas, wherein a color filter is arranged on the upper substrate, the lower substrate is opposite to the upper substrate, the liquid crystal layer is clamped between the upper substrate and the lower substrate, the plurality of scanning lines and the plurality of data lines are arranged on the lower substrate, the plurality of pixel areas are formed by crossing the plurality of scanning lines and the plurality of data lines, each pixel area comprises a reflection area and a transmission area, a reflection electrode is arranged in the reflection area, a transmission electrode is arranged in the transmission area, and an insulating layer is arranged on the surface of one side, close. According to the liquid crystal display device, the aperture opening ratio can be effectively improved, the distance from the display area of the liquid crystal panel to the edge of the substrate glass is reduced, and the problems of poor display pictures and the like caused by the exposure of the reflective metal and the direct contact of the reflective metal and the transparent electrode can be inhibited.
Description
Technical field
The present invention relates to a kind of liquid crystal indicator, relate in particular to and a kind ofly can improve pixel aperture ratio and dwindle the viewing area to the reflection and transmission type LCD of face plate edge distance.
Background technology
Along with fast speed of flat panel, liquid crystal indicator is just progressively to wide viewing angle, high-contrast, and high readable direction develops.Liquid crystal indicator can be divided into by the display mode difference that it adopts: reflective LCD device, transmission liquid crystal display device and reflection and transmission type LCD.Wherein, Reflective LCD device mainly is to utilize reflect ambient light to reach the effect of demonstration; Transmission liquid crystal display device mainly leans against on the panel and to increase backlight and realize showing, and reflection and transmission type LCD can be through the reflection exterior light or relied on light that backlight sends or realize showing through the two combination.So the reflection and transmission type liquid crystal technology that when surround lighting is strong and more weak, all can show good display effect is just developed widely and is used.
Publication number is that the Chinese patent of CN101097931A provides a kind of reflection and transmission type LCD, and Fig. 1 is the sectional view of dot structure infrabasal plate in the prior art.As shown in Figure 1; The reflecting electrode 101 of infrabasal plate is arranged on the superiors of whole base plate; It is arranged with transparent ITO electrode 102; Two electrodes directly contact and link to each other with the source electrode of thin film transistor switch element 104 through via hole, and through organic membrane 103 the echo area thickness of liquid crystal layer are designed to the half the of transmission area thickness of liquid crystal layer.But because the material of reflecting electrode 101 generally is the metal that Al or Ag etc. have high reflectance; And it is bigger that the work function of this metalloid and transparent ITO electrode 102 are compared difference; To produce electrochemical reaction so this reflecting electrode directly contact with transparent ITO electrode, surperficial metal is with oxidized and reduction reflectivity.And as accomplishing the leading portion operation, glass substrate is oversize standing time before to box technology, and reflective metals is directly exposed in the air, and partial reflection metal such as Al can be oxidized to Al
2O
3, influence reflecting effect.
In addition; In the prior art; Because the transmission electrode of the reflecting electrode of neighbor and neighbor is on one deck; So want big at interval distance between the pixel electrode of neighbor (reflecting electrode or transmission electrode), be generally 5-6 μ m, to avoid crosstalking between the short circuit and pixel between the adjacent pixel electrodes.So, in the prior art, owing to the distance that can not shorten between the adjacent pixel electrodes makes pixel aperture ratio be restricted.
Meanwhile; The service efficiency that conference reduces glass is compared to the back gauge of face plate edge in the viewing area; Reduce the area of viewing area, so the FPD producer is devoted to reduce the back gauge of viewing area to face plate edge always, but do not searching out desirable solution yet.
Summary of the invention
The present invention proposes in order to solve the problems of the technologies described above; Purpose is to provide a kind of reflection and transmission type LCD; Can effectively improve aperture opening ratio and dwindle the viewing area, and can prevent that the oxidized metallic reflection rate that causes reduces because reflective metals directly exposes to the face plate edge distance.
To achieve these goals, reflection and transmission type LCD of the present invention comprises upper substrate, on said upper substrate, colored filter is set; Infrabasal plate is relative with said upper substrate; Liquid crystal layer is sandwiched between said upper substrate and the said infrabasal plate; Multi-strip scanning line and many data lines are arranged on the said infrabasal plate, and a plurality of pixel region; Intersect to form by said multi-strip scanning line and said many data lines; Wherein, each said pixel region comprises reflector space and regional transmission, at said reflector space reflecting electrode is set; At said regional transmission transmission electrode is set, and on the surface of said reflecting electrode, insulation course is set near said liquid crystal layer one side.
As preferred version of the present invention, the place is provided with insulation course in said edges, in order to the said reflecting electrode of said pixel region and the transmission electrode of adjacent pixel regions are separated.
As another preferred version of the present invention, in said pixel region, the part at said reflecting electrode and said transmission electrode overlapping sandwiches insulation course between said reflecting electrode and the said transmission electrode.
To achieve these goals, another reflection and transmission type LCD of the present invention comprises upper substrate, on said upper substrate, colored filter is set; Infrabasal plate is oppositely arranged with said upper substrate; Liquid crystal layer is sandwiched between said upper substrate and the said infrabasal plate; Multi-strip scanning line and many data lines are arranged on the said infrabasal plate; A plurality of pixel regions are intersected to form by said multi-strip scanning line and said many data lines, and each said pixel region comprises reflector space and regional transmission, and at said reflector space reflecting electrode is set, and at said regional transmission transmission electrode is set; And sweep trace lead-in wire; Be formed at said infrabasal plate edge; Arrive said sweep trace in order to the input scan signal; And, odd line interlace line lead-in wire and even number line sweep trace lead-in wire are set, wherein corresponding to odd line interlace line and even number line sweep trace; Said odd line interlace line lead-in wire and said even number line sweep trace lead-in wire extending to form wherein by said sweep trace metal, and another person that said odd line interlace line lead-in wire and said even number line sweep trace go between is wherein extended to form by said reflecting electrode metal.
As a preferred version of the present invention; The said pixel region that is connected with said sweep trace lead-in wire is set to the dummy pixels zone; And the said sweep trace lead-in wire that forms corresponding to extending by said reflecting electrode metal; In this dummy pixels zone, via hole is set, in order to connect said sweep trace lead-in wire and said sweep trace.
As another preferred version of the present invention; Between said odd line interlace line lead-in wire and the said even number line sweep trace lead-in wire organic membrane is set; Make that at said infrabasal plate edge a pair of said odd line interlace line lead-in wire and said even number line sweep trace lead-in wire overlap and form.
Reflection and transmission type LCD of the present invention has following advantage: avoid metal level to be directly exposed in the air and oxidized, and the inhibitory reflex metal directly contacts and electrochemical reaction takes place with transparency electrode; Realized two-layer wiring at the infrabasal plate periphery, reduced the distance of viewing area to substrate edges; Dwindled the distance between the neighbor, effectively raised aperture opening ratio, in dot structure of the present invention, aperture opening ratio (reflective display region territory+transmission viewing area) can reach more than 95%.
Description of drawings
Fig. 1 is the diagrammatic cross-section of dot structure infrabasal plate in the prior art.
Fig. 2 a is the dot structure synoptic diagram of the infrabasal plate of liquid crystal indicator of the present invention.
Fig. 2 b is along the diagrammatic cross-section of the dot structure of A-A ' direction shown in Figure 1 among the present invention.
Fig. 3 is corresponding with the lower substrate structure shown in Fig. 2 b among the present invention, the diagrammatic cross-section of the upper substrate structure of dot structure.
Fig. 4 a is the picture element array structure synoptic diagram near sweep trace lead-in wire side of liquid crystal indicator among the present invention.
Fig. 4 b is the picture element array structure synoptic diagram near sweep trace lead-in wire side of liquid crystal indicator among the present invention.
Embodiment
Below, the relevant embodiment of the present invention of accompanying drawings.
Fig. 2 a is the infrabasal plate dot structure synoptic diagram of liquid crystal indicator of the present invention.Shown in Fig. 2 a, dot structure of the present invention comprises: thin film transistor (TFT) (TFT) on-off element 204; To the data line 202 of pixel input data signal, link to each other with the drain electrode of on-off element 204; To the sweep trace 208 of pixel input scan signal, link to each other with the grid of on-off element 204; Source/the drain metal (S/D metal) 211 (shown in Fig. 2 b) that links to each other with on-off element 204 source electrodes; Transparent ITO electrode 205; Reflecting electrode 201; Public (common) line 207 of pixel; Transparent ITO electrode 205 is to the via hole 203 of the S/D of lower floor metal 211, and reflecting electrode 201 is to the via hole 206 of the S/D of lower floor metal 211.Wherein reflecting electrode is made up of metals such as aluminium or silver.
Fig. 2 b is the sectional view along the dot structure of the A-A ' direction shown in Fig. 2 a.Shown in Fig. 2 b, the cross-section structure 209 of the TFT on-off element 204 of this pixel; The small embossment for preparing on the organic membrane of this substrate reflector space (bump) structure 210 is used to form diffuse reflection and prevents the generation of direct reflection; With the S/D metal 211 that on-off element 204 source electrodes link to each other, SiNx insulation course 214, organic membrane 213; The storage capacitor construction 212 of this pixel; The bottom electrode of electric capacity is the part of the concentric line 207 of the pixel of gate metal material formation; To the bottom crown of MM CAP common potential is provided by concentric line 207, the S/D metal 211 that powers on and very be connected with on-off element 204 source electrodes; Connect the via hole 206 of reflecting electrode 201 and S/D metal 211, will be input to reflecting electrode 201 from the current potential of data line 202; Connect the via hole 203 of transparent ITO electrode 205 and S/D metal 211, will be input to transparent ITO electrode 205 from the current potential of data line 202; 205 of reflecting electrode 201 and transparent ITO electrodes overlap in the sub-fraction of having located of joining, and transparent ITO electrode 205 is positioned at reflecting electrode 201 tops, and the centre accompanies SiNx insulation course 214.Liquid crystal indicator of the present invention owing on the reflecting electrode surface SiNx insulation course 214 is set, therefore can prevent to constitute the metal generation oxidation of reflecting electrode, thereby improve the product yield.
Shown in Fig. 2 b, be separated with SiNx insulation course 214 between being arranged between reflecting electrode 201 and the transparent ITO electrode 205 of organic membrane 213 tops.And also direct neighbor not between the electrode of neighbor, but make the reflecting electrode 201 of transparent ITO electrode 205 and neighbor through SiNx insulation course 214 and adjacent has avoided in the prior art neighbor with the short circuit problem between the layer metal.And because the existence of SiNx layer 214 makes that the spacing d between the neighbor is able to dwindle, even the spacing d of neighbor can be 0, thereby can increase the area of each pixel electrode, realizes high aperture.
Among the present invention, establish as if the spacing d with neighbor and be made as 0, then when design transparency electrode 205 and reflecting electrode 201, two electrode interbody spacers are by the decision of photoetching interlayer alignment precision, and common photoetching interlayer alignment precision is 1 μ m.Therefore this can make liquid crystal indicator of the present invention can improve aperture ratio of pixels significantly much smaller than in the prior art between the neighbor transparent ITO electrode or the design pitch between the reflecting electrode at interval.
The coating organic membrane can reduce the stray capacitance Cpd between reflecting electrode 201 and the data line 202 in pixel; Simultaneously can reduce the stray capacitance Cpg between reflecting electrode 201 and the sweep trace 208; Can be with reflecting electrode 201 and data line 202, and reflecting electrode and sweep trace 208 are done bigger overlapping.And, then can reflecting electrode 201 be extended to transparent ITO electrode 205 belows of neighbor as long as the value of Cpd or Cpg can satisfy display requirement after reflecting electrode 201 and data line 202 and sweep trace 208 large tracts of land overlap.Thereby make data line and sweep trace top that reflecting electrode is set, to increase effective viewing area of pixel.
In addition; Transparent ITO electrode 205; Be arranged in the top of whole infrabasal plate, when using, can make outermost conductive material in liner (Pad) position that peripheral leads links to each other with IC or FPC and use as transparency electrode; Thereby make the metal level of lower floor all can below transparent ITO layer, be used for peripheral leads, and the outermost metal of lead-in wire is unlikely to expose in air by the protection of transparent ITO electrode 205 and oxidized.
Fig. 3 is corresponding with the lower substrate structure shown in Fig. 2 b among the present invention, the diagrammatic cross-section of the upper substrate structure of dot structure.As shown in Figure 3, liquid crystal indicator comprises, glass substrate 301, and it is provided with colored filter and transparent ITO electrode (not shown); Corresponding to the organic membrane teat 302 of reflector space, making the corresponding thickness of liquid crystal layer of reflector space through the setting to organic membrane teat 302 thickness is the half the of the corresponding thickness of liquid crystal layer of regional transmission.
On the corresponding colored filter of reflector space, make the perforate (not shown), thereby fill the leveling that reaches whole base plate with organic membrane, arrange in the abnormality of this position of opening to avoid liquid crystal at position of opening.And because the existence of perforate, feasible most of incident light process colored filter when getting into liquid crystal cell, and not direct outgoing when the outgoing liquid crystal cell through color filter layers through reflector space.This upper substrate structure of the present invention can make reflector space and regional transmission show same GTG.And under the situation that forms organic membrane on the upper substrate, needn't make the dual-box thick structure again on the infrabasal plate, the stability of technology is improved to some extent.
Fig. 4 a is the picture element array structure synoptic diagram near sweep trace lead-in wire side of liquid crystal indicator among the present invention.Shown in Fig. 4 a; In transparent ITO electrode zone 407 near each other near the reflective metals electrode and the neighbor of data line 202 sides; Owing between reflecting electrode and the transmission electrode insulation course is arranged, make between neighbor two-layer distance can do not produce on the basis of crosstalking between pixel approaching each other.
In addition, because distance is separated by very closely between reflecting electrode and the transmission electrode, and the reflecting electrode that overlaps with data line still can be for whole pixel provides effective demonstration, and then aperture ratio of pixels can effectively be improved in this structure.In reflecting electrode and the approaching zone 408 of neighbor transparent ITO electrode near sweep trace 208 sides; Similar with zone 407 said principles; This structure can be in the distance between the transparent ITO electrode of zone 408 minimizing reflective metals and neighbor; Thereby reduce pixel separation, effectively improve aperture opening ratio.
Shown in Fig. 4 a, liquid crystal indicator according to the present invention also comprises: the common lead 401 of display panels; Odd line interlace line lead-in wire 404; Even number line sweep trace lead-in wire 405; Via hole 403 in order to the common lead 401 that connects panel and the concentric line 207 of pixel, and provides common signal through this via hole to pel array; Outermost mute (dummy) pixel 402 of entire row of pixels.
In liquid crystal indicator of the present invention, the odd pixel row is different with the structure of the dummy pixels 402 of even pixel row, and wherein the dummy pixels of even pixel row comprises from even number line sweep trace lead-in wire 405 via holes 406 to lower floor's sweep trace metal.Among the present invention, corresponding to the odd-numbered line of sweep trace, odd line interlace line lead-in wire 404 is made up of gate metal, and after directly passing through dummy pixels, is linking to each other with the odd-numbered line display pixel.Even number line corresponding to sweep trace; Even number line sweep trace lead-in wire 405 metals by reflection electrode layer constitute; Through organic film at interval, even number line sweep trace lead-in wire 405 gets into dummy pixels after the sweep trace of via hole 406 and below is connected the back to even number line display pixel input scan signal between the metal of reflection electrode layer and the sweep trace metal.
In addition, the odd line interlace line goes between 404, is arranged in the below of organic film, by the gate metal layout; Even number line sweep trace lead-in wire 405 is arranged in the organic film top, and by the metal layout of reflection electrode layer, then at the edge of infrabasal plate, two-layer sweep trace lead-in wire can alternately be arranged and realize two-layer wiring.Because odd line interlace line lead-in wire 404 has adopted two-layer wiring with even number line sweep trace lead-in wire 405, therefore the lateral distance between the two-layer lead-in wire can be very little.
Fig. 4 b is the picture element array structure synoptic diagram near sweep trace lead-in wire side of liquid crystal indicator among the present invention.Shown in Fig. 4 b, odd line interlace line lead-in wire 404 and even number line sweep trace lead-in wire 405 compile in the edge of lower baseplate glass.Because odd line interlace line lead-in wire 404 has adopted two-layer wiring with even number line sweep trace lead-in wire 405, therefore the distance between the two-layer outer lead can be very little, thereby reduce the viewing area to the distance between the glass edge.And, even between vertical odd line interlace line lead-in wire 404 and even number line sweep trace lead-in wire 405, overlap or part overlaps, then since between the two-layer lead-in wire interval organic film, stray capacitance is also smaller, can not produce cross-interference issue.
Therefore; Liquid crystal indicator according to the present invention has the following advantages; One of which is avoided owing to the reflective metals electrode directly contacts the galvanic corrosion that causes with transparency electrode, and prevents reflective metals electrode generation oxidation in the prior art; Improve the yield of liquid crystal indicator, optimize display effect; Its two, at the lower baseplate glass edge, sweep trace lead-in wire can be realized two-layer wiring, thereby reduces the distance of viewing area to lower baseplate glass, improves the utilization factor of glass, increases the area of effective viewing area; They are three years old; When suppressing to crosstalk with the short circuit problem generation; Reduce the distance between the pixel electrode (reflecting electrode and transmission electrode); Improve aperture ratio of pixels, make the top of data line and sweep trace also can become the reflective display region territory, make aperture opening ratio (reflective display region territory+transmission viewing area) to reach more than 95%.
According to liquid crystal indicator of the present invention, can under the prerequisite that does not increase technology, effectively improve pixel aperture ratio; Reduce the spacing between the neighbor, reduce the distance of viewing area simultaneously, optimize display effect to glass plate edge; Boost productivity, and reduce production costs.
Those skilled in the art all should be appreciated that, under the situation that does not break away from the spirit or scope of the present invention, can carry out various modifications and modification to the present invention.Thereby, if when any modification and modification fall in the protection domain of appended claims and equivalent thereof, think that the present invention contains these modifications and modification.
Claims (16)
1. reflection and transmission type LCD comprises:
Upper substrate is provided with colored filter on said upper substrate,
Infrabasal plate, relative with said upper substrate,
Liquid crystal layer is sandwiched between said upper substrate and the said infrabasal plate,
Multi-strip scanning line and many data lines are arranged on the said infrabasal plate, and
A plurality of pixel regions are intersected to form by said multi-strip scanning line and said many data lines,
Wherein, Each said pixel region comprises reflector space and regional transmission; At said reflector space reflecting electrode is set; At said regional transmission transmission electrode is set, said reflecting electrode is made up of metal, and on the surface near said liquid crystal layer one side of said reflecting electrode, insulation course is set;
The place is provided with insulation course in said edges, in order to the said reflecting electrode of said pixel region and the transmission electrode of adjacent pixel regions are separated.
2. reflection and transmission type LCD according to claim 1, wherein in said pixel region, the part at said reflecting electrode and said transmission electrode overlapping sandwiches insulation course between said reflecting electrode and the said transmission electrode.
3. according to the described reflection and transmission type LCD of each claim of claim 1 or claim 2, wherein said insulation course is a transparent insulating layer.
4. reflection and transmission type LCD according to claim 1, wherein said metal comprises silver or aluminium.
5. according to the described reflection and transmission type LCD of each claim of claim 1 or claim 2, wherein said transmission electrode is made up of ITO, IZO or IGO.
6. reflection and transmission type LCD according to claim 1, the surface of wherein said reflecting electrode forms the small embossment structure.
7. reflection and transmission type LCD according to claim 1 also forms the thin film transistor switch element on the wherein said infrabasal plate, said thin film transistor switch element comprises:
Drain electrode links to each other with said data line,
Source electrode forms with said drain electrode relatively, and
Grid links to each other with said sweep trace, in order to controlling said thin film transistor switch element,
Wherein, said reflecting electrode links to each other with said source electrode through via hole respectively with said transmission electrode, with thinking that said reflecting electrode and said transmission electrode provide data-signal.
8. reflection and transmission type LCD according to claim 7, wherein said thin film transistor switch element are arranged at said reflecting electrode below, and between said reflecting electrode and said thin film transistor switch element, form organic membrane.
9. reflection and transmission type LCD according to claim 1 wherein corresponding to said reflector space, forms perforate on said colored filter, make the light of the said reflector space of process only pass through said colored filter once.
10. reflection and transmission type LCD according to claim 1 is corresponding to 1/2nd of the said thickness of liquid crystal layer of said regional transmission corresponding to the thickness of the said liquid crystal layer of said reflector space wherein.
11. reflection and transmission type LCD according to claim 10; Wherein near a side of said liquid crystal layer teat being set at said upper substrate, is corresponding to 1/2nd of the said thickness of liquid crystal layer of said regional transmission in order to regulate said thickness of liquid crystal layer corresponding to said reflector space.
12. reflection and transmission type LCD according to claim 1; Also comprise: the sweep trace lead-in wire; Be formed at said infrabasal plate edge, arrive said sweep trace in order to the input scan signal, and corresponding to odd line interlace line and even number line sweep trace; Odd line interlace line lead-in wire and even number line sweep trace lead-in wire are set
Wherein, go between extending to form wherein of said odd line interlace line lead-in wire and said even number line sweep trace by said sweep trace metal, and
Said odd line interlace line lead-in wire and said even number line sweep trace lead-in wire another person are wherein extended to form by said reflecting electrode metal.
13. reflection and transmission type LCD according to claim 12; The said pixel region that wherein is connected with said sweep trace lead-in wire is set to the dummy pixels zone; And the said sweep trace lead-in wire that forms corresponding to extending by said reflecting electrode metal; In this dummy pixels zone, via hole is set, in order to connect said sweep trace lead-in wire and said sweep trace.
14. reflection and transmission type LCD according to claim 12; Between wherein said odd line interlace line lead-in wire and the said even number line sweep trace lead-in wire organic membrane is set; Make that at said infrabasal plate edge a pair of said odd line interlace line lead-in wire and said even number line sweep trace lead-in wire overlap and form.
15. reflection and transmission type LCD according to claim 12 wherein is provided with insulation course on the said sweep trace lead-in wire that is extended to form by said reflecting electrode metal.
16. reflection and transmission type LCD according to claim 12 wherein at the liner place that said sweep trace lead-in wire is connected with integrated circuit or flexible PCB, forms transparency electrode on the metal that constitutes said sweep trace lead-in wire.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100333447A CN101498870B (en) | 2008-01-31 | 2008-01-31 | Reflective-transmissive liquid crystal display device |
| PCT/CN2009/070248 WO2009097797A1 (en) | 2008-01-31 | 2009-01-21 | Transflective liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100333447A CN101498870B (en) | 2008-01-31 | 2008-01-31 | Reflective-transmissive liquid crystal display device |
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| Publication Number | Publication Date |
|---|---|
| CN101498870A CN101498870A (en) | 2009-08-05 |
| CN101498870B true CN101498870B (en) | 2012-01-18 |
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| CN2008100333447A Active CN101498870B (en) | 2008-01-31 | 2008-01-31 | Reflective-transmissive liquid crystal display device |
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| CN110426886B (en) * | 2019-07-22 | 2022-03-25 | 昆山龙腾光电股份有限公司 | Liquid crystal display panel, driving method thereof and liquid crystal display device |
| US12282233B2 (en) | 2022-11-29 | 2025-04-22 | Beijing Boe Display Technology Co., Ltd. | Array substrate and display device |
| CN118859563A (en) * | 2023-04-26 | 2024-10-29 | 京东方科技集团股份有限公司 | Display substrate and display device |
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| CN1538227A (en) * | 2003-04-15 | 2004-10-20 | Lg.菲利浦Lcd株式会社 | Transflective liquid crystal display device and manufacturing method thereof |
| CN1892335A (en) * | 2005-07-06 | 2007-01-10 | 三洋爱普生映像元器件有限公司 | Liquid crystal device, method of manufacturing liquid crystal device, and electronic apparatus |
| CN101097362A (en) * | 2006-06-30 | 2008-01-02 | 统宝光电股份有限公司 | Liquid crystal display, forming method thereof and electronic device |
| CN201331651Y (en) * | 2008-10-07 | 2009-10-21 | 上海天马微电子有限公司 | Reflective-transmissive liquid crystal display device |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN101498870A (en) | 2009-08-05 |
| WO2009097797A1 (en) | 2009-08-13 |
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