CN100367102C - Optical compensation birefringence type liquid crystal display panel - Google Patents
Optical compensation birefringence type liquid crystal display panel Download PDFInfo
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- CN100367102C CN100367102C CNB2006100073741A CN200610007374A CN100367102C CN 100367102 C CN100367102 C CN 100367102C CN B2006100073741 A CNB2006100073741 A CN B2006100073741A CN 200610007374 A CN200610007374 A CN 200610007374A CN 100367102 C CN100367102 C CN 100367102C
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Abstract
The present invention relates to an optical compensation double refraction type crystal display panel which comprises an active component array device, a color light filtering device and an optical compensation double refraction type liquid crystal layer between the active component array device and the color light filtering device, wherein the color light filtering device comprises a baseplate, a color light filtering array, a shared electrode, a plurality of electrode wires and an insulation layer; the color light filtering array is arranged on the baseplate and is provided with a black matrix layer and a color filter coating layer; the shared electrode is arranged above the color light filtering array; the electrode wires are arranged above the shared electrode; the insulation layer is arranged between the shared electrode and the electrode wires so that the electrode wires and the shared electrode are electrically insulative. Thus, the present invention can solve the publicly known problem that when high voltage is applied to a control signal electrode on the liquid crystal display panel, data wire signals can be delayed, and the load of a drive circuit can be excessive.
Description
Technical field
The invention relates to a kind of display panels, and particularly relevant for the short optical compensation birefringence type liquid crystal display panel of a kind of response time.
Background technology
LCD is according to employed liquid crystal kind, the type of drive different numerous species that are distinguished into light source allocation position etc.Wherein, optical compensation birefringence LCD (opticallycompensated birefringence liquid crystal display, OCB LCD) has (response) speed of replying that is exceedingly fast, can provide computing machine when fast-changing continuous pictures such as playing animation or film, smooth more picture shows, and is very suitable for the application of high-order LCD.But optical compensation birefringence LCD just can enter holding state after must allowing whole liquid crystal molecules be transformed into bending status (bend state) via spreading status (splay state), and the work performance of rapid answer is provided.
Figure 1A illustrates the synoptic diagram that liquid crystal molecule in the display panels is in spreading status.Figure 1B illustrates liquid crystal molecule in the display panels and is in synoptic diagram for bending status.Please be simultaneously with reference to Figure 1A and Figure 1B, in optical compensation birefringence type liquid crystal display panel 10, liquid crystal layer 11 is to be disposed between upper substrate 12 and the infrabasal plate 13.Wherein, upper substrate 12 has alignment direction (rubbingdirection) alignment film parallel to each other (alignment layer) (not illustrating) respectively with infrabasal plate 13.Liquid crystal molecule in liquid crystal layer 11 is not subjected to extra electric field and does the time spent, is to arrange in the spreading status mode.And when optical compensation birefringence LCD was desired to enter holding state, the electric field that must apply vertical upper substrate 12 was on liquid crystal molecule, so that all liquid crystal molecule changes bending status into.In the known optical compensation birefringence LCD, pixel needs several minutes time to carry out this transfer process if want driven, promptly before entering holding state, needs soaking out (warm up).But, this for LCD the characteristic with opening i.e. usefulness that should possess very unfavorable.Therefore, allow optical compensation birefringence LCD is easier to be accepted by the consumer, conversion (fast transition) is necessary fast.
For the liquid crystal molecule in the optical compensation birefringence type liquid crystal display panel is transformed into bending status from spreading status quickly, the mode that a kind of known technology utilization applies big voltage produces stronger electric field, makes liquid crystal molecule be converted to bending status fast from spreading status.
Fig. 1 C illustrates the diagrammatic cross-section of known a kind of optical compensation birefringence type liquid crystal display panel, Fig. 1 D illustrates the vertical view of active block array device in the optical compensation birefringence type liquid crystal display panel of Fig. 1 C, and wherein Fig. 1 C is the diagrammatic cross-section of Fig. 1 D along profile line A-A '.Please be simultaneously with reference to Fig. 1 C and Fig. 1 D, optical compensation birefringence type liquid crystal display panel 100 comprises thin film transistor (TFT) array device 110, color filtering device 120 and is disposed at thin film transistor (TFT) array device 110 and the liquid crystal layer 130 of 120 of color filtering devices.
This thin film transistor (TFT) array device 110 comprises that infrabasal plate 111, multi-strip scanning line 112, many data lines 113, a plurality of thin film transistor (TFT) 114, a plurality of transparency conductive electrode 115 are (as indium-tin oxide electrode (Indium Tin Oxide, ITO) etc.), many control signal electrodes 116 and orientation rete 117.Sweep trace 112 all is disposed on the infrabasal plate 111 with control signal electrode 116.Data line 113 is disposed at control signal electrode 116 tops (in other known technology, also control signal electrode 116 can be disposed at data line 113 tops).Thin film transistor (TFT) 114 respectively with sweep trace 112 wherein and wherein a data line 113 be electrical connected.115 of transparency conductive electrodes are electrical connected with a thin film transistor (TFT) 114 wherein respectively.Orientation rete 117 covers transparency conductive electrode 115.
Before optical compensation birefringence type liquid crystal display panel 100 show images, one high voltage can put on control signal electrode 116, make in the liquid crystal layer 130 above control signal electrode 116, can convert bending status to from spreading status near the part liquid crystal molecule of data line 113 both sides.When sweep signal and data-signal put on respectively sweep trace 112 with data line 113 so that during optical compensation birefringence type liquid crystal display panel 100 show images, all the other liquid crystal molecules that present spreading status can be subjected to being converted to bending status liquid crystal molecule effect and be converted to bending status apace.In other words, optical compensation birefringence type liquid crystal display panel 100 can show answer speed faster.
Yet data line 113 makes the data-signal transmission in the data line 113 be subjected to the influence that load increases, and produces the problem of signal delay near the control signal electrode 116 that a high voltage is applied thereto, and has also increased the consumed power of chip for driving simultaneously.
Summary of the invention
Because it is above-mentioned, fundamental purpose of the present invention provides a kind of optical compensation birefringence type liquid crystal display panel, see through this sweep trace or data line and the formed electric field of this electrode wires part, its liquid crystal that can quicken optical compensation birefringence type liquid crystal display panel is transformed into the speed of bending status from spreading status.
Another object of the present invention provides a kind of optical compensation birefringence type liquid crystal display panel, and it can solve the problem that can cause data line signal to postpone when the control signal electrode that is known in display panels applies high voltage.
Another purpose of the present invention provides a kind of optical compensation birefringence type liquid crystal display panel, and there is the problem of high flow rate power in its chip for driving that can solve known display panels.
For reaching above-mentioned and other purpose, the present invention proposes a kind of optical compensation birefringence type liquid crystal display panel, and this optical compensation birefringence type liquid crystal display panel comprises an active block array device, a color filtering device and the optical compensation birefringence type liquid crystal layer between active block array device and color filtering device.Wherein, the active block array device comprises a substrate, multi-strip scanning line, many data lines and a plurality of pixel cell, and this sweep trace, data line and pixel cell all are disposed on the substrate.Color filtering device comprises a substrate, a colorized optical filtering array, shared electrode, many strip electrodes line and an insulation course.The colorized optical filtering array is disposed on the substrate, and this colorized optical filtering array has black matrix (BlackMatrix) layer and a colored light filter membrane layer.Shared electrode is disposed at colorized optical filtering array top.Electrode wires is disposed at the top of shared electrode.Insulation course is disposed between shared electrode and the electrode wires, so that electrode wires and shared electrode are electrically insulated.
Described according to one embodiment of the invention, sweep trace and data line are disposed corresponding to the black matrix layer on the color filtering device.
Described according to one embodiment of the invention, each pixel cell respectively with sweep trace wherein and wherein a data line be electrical connected, and each pixel cell comprises an active block and a pixel electrode.
Described according to one embodiment of the invention, active block and corresponding scanning line and data line are electrical connected, and pixel electrode then is electrical connected with active block.
Described according to one embodiment of the invention, optical compensation birefringence type liquid crystal display panel also comprises a flatness layer, and this flatness layer is disposed between colorized optical filtering array and the shared electrode.
According to the described optical compensation birefringence type liquid crystal display panel of one embodiment of the invention, wherein electrode wires is the top that is disposed at black matrix layer.
According to the described optical compensation birefringence type liquid crystal display panel of one embodiment of the invention, wherein the material of electrode wires comprises metal.
According to the described optical compensation birefringence type liquid crystal display panel of one embodiment of the invention, wherein color filtering device also comprises an orientation rete, and this orientation rete covers shared electrode and electrode wires.
Described according to one embodiment of the invention, optical compensation birefringence type liquid crystal display panel also comprises one first voltage signal source and one second voltage signal source, and electrode wires is to be electrically connected to first voltage signal source, and this shared electrode is to be electrically connected to second voltage signal source.Wherein, first voltage signal source provides one first voltage, and second voltage signal source provides one second voltage, and first voltage is greater than second voltage.
According to the described optical compensation birefringence type liquid crystal display panel of one embodiment of the invention, wherein the material of black matrix layer comprises metal or resin.
The present invention proposes a kind of optical compensation birefringence type liquid crystal display panel in addition, and this optical compensation birefringence type liquid crystal display panel comprises an active block array device, a color filtering device and the optical compensation birefringence type liquid crystal layer between active block array device and color filtering device.Wherein, the active block array device comprises a substrate, multi-strip scanning line, many data lines and a plurality of pixel cell, and this sweep trace, data line and pixel cell all are disposed on the substrate; Color filtering device comprises a substrate, a colorized optical filtering array, a flatness layer, a plurality of electrode pattern and many strip electrodes line.The colorized optical filtering array is disposed on the substrate, and this colorized optical filtering array has a black matrix layer and a colored light filter membrane layer.Flatness layer covers the colorized optical filtering array.Electrode pattern is disposed on the flatness layer, and these electrode patterns can be electrically connected to a shared voltage.Electrode wires is disposed on the flatness layer, and these electrode wires and shared electrode are electrically insulated.
Described according to one embodiment of the invention, sweep trace and data linear system are disposed corresponding to the black matrix layer on the color filtering device.
Described according to one embodiment of the invention, each pixel cell respectively with sweep trace wherein and wherein a data line be electrical connected, and each pixel cell comprises an active block and a pixel electrode.
Described according to one embodiment of the invention, active block and corresponding scanning line and data line are electrical connected, and pixel electrode then is electrical connected with active block.
According to the described optical compensation birefringence type liquid crystal display panel of one embodiment of the invention, wherein electrode pattern is identical with the material of electrode wires.
According to the described optical compensation birefringence type liquid crystal display panel of one embodiment of the invention, wherein be disposed at and have one between electrode pattern on the flatness layer and the electrode wires at interval, so that electrode wires and electrode pattern are electrically insulated.
According to the described optical compensation birefringence type liquid crystal display panel of one embodiment of the invention, wherein electrode pattern is the top that correspondence is disposed at colored light filter membrane layer, and electrode wires is the top that correspondence is disposed at black matrix layer.
According to the described optical compensation birefringence type liquid crystal display panel of one embodiment of the invention, wherein color filtering device also comprises an orientation rete, and this orientation rete covers electrode pattern and electrode wires.
Also comprise one first voltage signal source and one second voltage signal source according to the described optical compensation birefringence type liquid crystal display panel of one embodiment of the invention, and electrode wires is to be electrically connected to this first voltage signal source, and electrode pattern is to be electrically connected to this second voltage signal source.Wherein, first voltage signal source provides one first voltage, and second voltage signal source provides one to share voltage, and first voltage is greater than share voltage.
According to the described optical compensation birefringence type liquid crystal display panel of one embodiment of the invention, wherein the material of black matrix layer comprises metal or resin.
The present invention reintroduces a kind of optical compensation birefringence type liquid crystal display panel, and this optical compensation birefringence type liquid crystal display panel comprises an active block array device, a color filtering device and the optical compensation birefringence type liquid crystal layer between active block array device and color filtering device.Wherein, the active block array device comprises a substrate, multi-strip scanning line, many data lines and a plurality of pixel cell, and this sweep trace, data line and pixel cell all are disposed on the substrate; Color filtering device comprises a substrate, a colorized optical filtering array, an insulation course, a flatness layer and a plurality of electrode pattern.The colorized optical filtering array is disposed on the substrate, and this colorized optical filtering array comprises a black matrix layer and a colored light filter membrane layer.Defining a plurality of pixel regions, and colored light filter membrane layer is to be disposed in these pixel regions to black matrix layer on substrate.Insulation course covers the surface of black matrix layer.Flatness layer is disposed on colorized optical filtering array and the insulation course.Electrode pattern is disposed at respectively on the interior flatness layer of pixel region, and these electrode patterns can be electrically connected to a shared voltage.
Described according to one embodiment of the invention, sweep trace and data line are disposed corresponding to the black matrix layer on the color filtering device.
Described according to one embodiment of the invention, each pixel cell respectively with sweep trace wherein and wherein a data line be electrical connected, and each pixel cell comprises an active block and a pixel electrode.
Described according to one embodiment of the invention, active block and corresponding scanning line and data line are electrical connected, and pixel electrode then is electrical connected with active block.
Described according to one embodiment of the invention, optical compensation birefringence type liquid crystal display panel also comprises one first voltage signal source and one second voltage signal source, and black matrix layer is to be electrically connected to first voltage signal source, electrode pattern is to be electrically connected to second voltage signal source, wherein, first voltage signal source provides one first voltage, and second voltage signal source provides one to share voltage, and first voltage is greater than share voltage.
According to the described optical compensation birefringence type liquid crystal display panel of one embodiment of the invention, wherein electrode pattern is to be disposed at the colored light filter membrane layer top, and can not cover black matrix layer.
According to the described optical compensation birefringence type liquid crystal display panel of one embodiment of the invention, wherein color filtering device also comprises an orientation rete, and this orientation rete covers flatness layer and electrode pattern.
Display panels of the present invention is because of the setting of the black matrix layer of electrode wires or tool conduction property, except the work performance that can present rapid answer, because electrode wires or black matrix layer range sweep line and data line are far away, when high voltage put on electrode wires or black matrix layer, the signal transmission in sweep trace or data line can not be affected.So display panels does not have the problem of signal delay, the consumed power of chip for driving can not increase yet.
Description of drawings
Figure 1A illustrates the synoptic diagram that liquid crystal molecule in the display panels is in spreading status.
Figure 1B illustrates liquid crystal molecule in the display panels and is in synoptic diagram for bending status.
Fig. 1 C illustrates a kind of diagrammatic cross-section of optical compensation birefringence type liquid crystal display panel.
Fig. 1 D illustrates the vertical view of active block array device in the optical compensation birefringence type liquid crystal display panel of Fig. 1 C.
Fig. 2 A illustrates the diagrammatic cross-section of the optical compensation birefringence type liquid crystal display panel of first embodiment of the invention.
Fig. 2 B illustrates the vertical view of active block array device in the optical compensation birefringence type liquid crystal display panel of Fig. 2 A.
Fig. 2 C illustrates the voltage-time chart of voltage signal in the optical compensation birefringence type liquid crystal display panel of Fig. 2 A.
Fig. 2 D illustrates the schematic top plan view of the optical compensation birefringence type liquid crystal display panel of Fig. 2 A.
Fig. 2 E illustrates the schematic top plan view of the optical compensation birefringence type liquid crystal display panel of Fig. 2 A.
Fig. 3 A illustrates the diagrammatic cross-section of the optical compensation birefringence type liquid crystal display panel of second embodiment of the invention.
Fig. 3 B illustrates the schematic top plan view of the optical compensation birefringence type liquid crystal display panel of Fig. 3 A.
Fig. 4 illustrates the diagrammatic cross-section of the optical compensation birefringence type liquid crystal display panel of third embodiment of the invention.
Symbol description:
10,100,500,700,900: optical compensation birefringence type liquid crystal display panel
11,130: liquid crystal layer
12,121: upper substrate
13,111: infrabasal plate
110: the thin film transistor (TFT) array device
112,220: sweep trace
113,230: data line
114: thin film transistor (TFT)
115: transparency conductive electrode
116: the control signal electrode
117,126,250,370,640,850: the orientation rete
120,300,600,800: color filtering device
122,322,812: black matrix layer
123,324,814: colored light filter membrane layer
124,350,820: insulation course
125: shared electrode
200: the active block array device
210,310: substrate
240: pixel cell
242: active block
244: pixel electrode
320,810: the colorized optical filtering array
330: shared electrode
340,630: electrode wires
360,610,830: flatness layer
380: the first contacts
390: the second contacts
400: the optical compensation birefringence type liquid crystal layer
620,840: electrode pattern
812a: pixel region
Embodiment
For above and other objects of the present invention, feature and advantage can be become apparent, preferred embodiment cited below particularly, and cooperate appended graphicly, be described in detail below.
First embodiment
Fig. 2 A illustrates the structural representation of the optical compensation birefringence type liquid crystal display panel of first embodiment of the invention, Fig. 2 B illustrates the vertical view of active block array device in the optical compensation birefringence type liquid crystal display panel of Fig. 2 A, and wherein the active block array device among Fig. 2 A is the diagrammatic cross-section of Fig. 2 B along profile line B-B '.Please be simultaneously with reference to Fig. 2 A and Fig. 2 B, optical compensation birefringence type liquid crystal display panel 500 comprises an active block array device 200, a color filtering device 300 and the optical compensation birefringence type liquid crystal layer 400 between active block array device 200 and color filtering device 300.
Active block array device 200 comprises a substrate 210, multi-strip scanning line 220, many data lines 230 and a plurality of pixel cell 240.Wherein, sweep trace 220, data line 230 and pixel cell 240 all are disposed on the substrate 210.Each pixel cell 240 respectively with sweep trace 220 wherein and wherein a data line 230 be electrical connected, and each pixel cell 240 comprises an active block 242 and a pixel electrode 244.Active block 242 is electrical connected with corresponding scanning line 220 and data line 230, and pixel electrode 244 then is electrical connected with active block 242.
More specifically, substrate 210 can for example be the substrate of a glass substrate, quartz base plate or other suitable material.This sweep trace 220 then can for example be aluminium alloy conductor or the formed lead of other suitable conductor material.Data line 230 can for example be chromium plain conductor, aluminium alloy conductor or the formed lead of other suitable conductor material.Active block 242 can for example be a thin film transistor (TFT) or other has the switch module (tri-polar switching device) of three terminals.Be noted that it is a thin film transistor (TFT) that the active block 242 in Fig. 2 A illustrates, but is not as limit.244 of pixel electrodes can for example be a transparency electrode (transmissive electrode), reflecting electrode (reflectiveelectrode) or semi-penetration semi-reflective electrode (transflective electrode), and the material of pixel electrode 244 can be indium tin oxide, indium-zinc oxide, metal or other transparent or opaque conductive material.
Color filtering device 300 comprises a substrate 310, a colorized optical filtering array 320, one shared electrode 330, many strip electrodes line 340 and an insulation course 350.Wherein, colorized optical filtering array 320 is disposed on the substrate 310, and this colorized optical filtering array 320 has black matrix (Black Matrix) layer 322 and one colored light filter membrane layer 324.Shared electrode 330 is disposed at colorized optical filtering array 320 tops.Electrode wires 340 is disposed at the top of shared electrode 320.Insulation course 350 is disposed between shared electrode 330 and the electrode wires 340, so that electrode wires 340 is electrically insulated with shared electrode 330.In addition, in present embodiment, sweep trace 220 is disposed corresponding to the black matrix layer 322 on the color filtering device 300 with data line 230.Hold above-mentionedly, substrate 310 can for example be the substrate of a glass substrate, quartz base plate or other suitable material.The material of black matrix layer 322 can for example be chromium, chromium oxide, metal, black resin (resin) or other suitable material.The material of colored light filter membrane layer 324 can for example be a resin.The material of shared electrode 330 can for example be indium tin oxide, indium-zinc oxide (indium zinc oxide, IZO) or other transparent conductive material.The material of electrode wires 340 can for example be metal or other suitable material.The material of insulation course 350 then can for example be silicon nitride, silicon oxynitride or other suitable material.
In one embodiment, optical compensation birefringence type liquid crystal display panel 500 also comprises a flatness layer 360, this flatness layer 360 is disposed between colorized optical filtering array 320 and the shared electrode 330, and the material of flatness layer 360 for example is organic insulation material or inorganic insulation material.In addition, color filtering device 300 also comprises an orientation rete 370, and this orientation rete 370 covers shared electrode 330 and electrode wires 340, and the material of orientation rete 370 can be for example for the poly-hot resin of second vinegar (polyimide resin, PI) or other suitable material.Needing special instruction person, is in present embodiment, and active block array device 200 also comprises an orientation rete 250, and this orientation rete 250 is disposed at the top of sweep trace 220 and data line 230 and covers pixel electrode 244.The material of the orientation rete 250 for example orientation rete 370 with above-mentioned is identical, and this orientation rete 250 has the alignment direction identical or parallel with orientation rete 370.
Shown in Fig. 2 A, electrode wires 340 is the tops that are disposed at black matrix layer 322.In optical compensation birefringence type liquid crystal display panel 500, the design of this electrode wires 340 can change the arrangement mode of the liquid crystal molecule of subregion in advance.Particularly, optical compensation birefringence type liquid crystal display panel 500 also comprises one first voltage signal source (not showing) and one second voltage signal source (not showing).Electrode wires 340 is to be electrically connected to this first voltage signal source, and shared electrode 330 is to be electrically connected to this second voltage signal source.Wherein, first voltage signal source provides one first voltage V1, and second voltage signal source provides one second voltage V2, and the first voltage V1 is greater than the second voltage V2.
Fig. 2 C illustrates the voltage-time chart of voltage signal in the optical compensation birefringence type liquid crystal display panel of Fig. 2 A.Please refer to Fig. 2 C, before optical compensation birefringence type liquid crystal display panel 500 show images, promptly the time T in Fig. 2 C 0 is during the time T1, and electrode wires 340 is to be electrically connected to one first voltage V1, and shared electrode 330 is to be electrically connected to one second voltage V2.During this period, the first voltage V1 and the second voltage V2 for example maintain between 10 to 30 volts, and the voltage Vpixel of pixel electrode 244 for example is zero, and the first voltage V1 is greater than the second voltage V2.In other words, a high voltage (i.e. the first voltage V1) puts on the electrode wires 340.In the optical compensation birefringence type liquid crystal layer 400 below electrode wires 340, the liquid crystal molecule of close sweep trace 220 or data line 230 tops can convert bending status earlier under the influence of the first voltage V1.When optical compensation birefringence type liquid crystal display panel 500 display frames, promptly after the time T in Fig. 2 C 2, the voltage Vpixel of pixel electrode 244 is non-vanishing, and the first voltage V1 keeps greater than about 10 to the 30 volt of second voltage V2 of Vpixel and reduces to the Vcom that is slightly larger than Vpixel.So, the liquid crystal molecule near sweep trace 220 or data line 230 tops still maintains bending status under the influence of the first voltage V1.When sweep signal and data-signal put on sweep trace 220 and data line 230 respectively to drive the liquid crystal molecule of pixel electrode 244 tops.Because the liquid crystal molecule near sweep trace 220 or data line 230 tops has been to be in bending status, therefore all be in the situation of spreading status compared to whole liquid crystal molecules, all the other liquid crystal molecules in the present embodiment can be subjected to being converted to bending status liquid crystal molecule effect and convert bending status more quickly to.In other words, optical compensation birefringence type liquid crystal display panel 500 can present the work performance of rapid answer under normal display driver.
It should be noted that electrode wires 340 is to be disposed in the color filtering device 300, and sweep trace 220 is to be disposed in active block array device 200 with data line 230.When the first voltage V1 put on electrode wires 340, the signal transmission in sweep trace 220 or data line 230 can not be affected.Therefore, in optical compensation birefringence type liquid crystal display panel 500, owing to the load effect that the transmission of the data-signal in the data line 230 is suffered is less, produce so do not have the problem of signal delay, in addition, the consumed power of chip for driving can not increase yet.
Fig. 2 D illustrates the schematic top plan view of the optical compensation birefringence type liquid crystal display panel of Fig. 2 A.Please refer to Fig. 2 D, in optical compensation birefringence type liquid crystal display panel 500, electrode wires 340 for example is to be to be arranged in parallel, and for example disposes a pixel between the wantonly two strip electrode lines 340.Shown in Fig. 2 D, these electrode wires 340 are electrical connected all each other, and are connected to several first contacts 380.First contact 380 relends by elargol (not illustrating) and is electrically connected to first connection pad (not illustrating) that is positioned at active block array device 200.First connection pad then is electrically connected at first voltage signal source of chip for driving (not illustrating) via cabling (not illustrating).In addition, shared electrode 330 electrically connects with a plurality of second contacts 390.Second contact 390 is then via other cabling (not illustrating) of second connection pad (not illustrating) of elargol, active block array device 200 and active block array device 200 and be electrically connected at second voltage signal source of chip for driving (not illustrating).
Be noted that the arrangement mode of electrode wires 340 is not defined as the form that Fig. 2 D is illustrated, it also can be the grid-like arrangement that Fig. 2 E is illustrated.Can only not dispose a pixel and do not limit between the wantonly two strip electrode lines 340, in other embodiments, also configurable a plurality of pixels between the wantonly two strip electrode lines 340.Further, if only dispose a pixel in each grid of surrounding of electrode wires 340, then the arrangement of electrode wires 340 is identical with black matrix layer 322.
Second embodiment
Fig. 3 A illustrates the structural representation of the optical compensation birefringence type liquid crystal display panel of second embodiment of the invention, and wherein the active block array device of the optical compensation birefringence type liquid crystal display panel of Fig. 3 A is identical with the active block array device that Fig. 2 B is illustrated.Please refer to Fig. 3 A, optical compensation birefringence type liquid crystal display panel 700 comprises an active block array device 200, a color filtering device 600 and the optical compensation birefringence type liquid crystal layer 400 between active block array device 200 and color filtering device 600.
Active block array device 200 and optical compensation birefringence type liquid crystal layer 400 are with identical described in first embodiment, so do not give unnecessary details it for literary composition in addition.Color filtering device 600 comprises a substrate 310, a colorized optical filtering array 320, a flatness layer 610, a plurality of electrode pattern 620 and many strip electrodes line 630.Wherein, substrate 310 and colorized optical filtering array 320 are with identical described in first embodiment.Flatness layer 610 covers colorized optical filtering array 320.Electrode pattern 620 is disposed on the flatness layer 610.Electrode wires 630 is disposed on the flatness layer 610, and these electrode wires 630 are electrically insulated with electrode pattern 620.In addition, optical compensation birefringence type liquid crystal display panel 700 also comprises one first voltage signal source (not showing) and one second voltage signal source (not showing).Electrode wires 630 is to be electrically connected to first voltage signal source, electrode pattern 620 is to be electrically connected to second voltage signal source, wherein first voltage signal source provides one first voltage V1, and second voltage signal source provides one to share voltage Vc, and first voltage is greater than this share voltage.
Hold above-mentioned, the material of flatness layer 610 and electrode pattern 620 can be for example the material with the flatness layer 360 of first embodiment and shared electrode 330 is identical respectively.The material of electrode wires 630 can be for example identical with electrode pattern 620.
As shown in Figure 3A, the optical compensation birefringence type liquid crystal display panel 700 of present embodiment also comprises an orientation rete 640, this orientation rete 640 covers electrode pattern 620 and electrode wires 630, and the material of orientation rete 640 for example the orientation rete 250 with first embodiment is identical.Again as shown in Figure 3A, be disposed at and have one between electrode pattern 620 on the flatness layer 360 and the electrode wires 630 at interval, electrode wires 630 and electrode pattern 620 are electrically insulated.Electrode pattern 620 is tops that correspondence is disposed at colored light filter membrane layer 324, and electrode wires 630 is tops that correspondence is disposed at black matrix layer 322.It should be noted that electrode wires 630 is to be electrically connected to one first voltage V1, this first voltage V1 is greater than share voltage Vc.Be similar to described in first embodiment, before optical compensation birefringence type liquid crystal display panel 700 show images, in the liquid crystal layer 400 below electrode wires 630, the liquid crystal molecule of close sweep trace 220 or data line 230 tops changes bending status under the influence of the first voltage V1.During optical compensation birefringence type liquid crystal display panel 700 show images, all the other liquid crystal molecules can be subjected to being converted to bending status liquid crystal molecule effect and convert bending status more quickly to.So, optical compensation birefringence type liquid crystal display panel 700 can present the work performance of rapid answer under normal display driver.
In addition, the electrode wires 630 that applies the first voltage V1 is to be disposed in the color filtering device 600, because it is less that the data-signal in the data line 230 transmits suffered load effect, so the signal transmission in sweep trace 220 or data line 230 can not be affected, optical compensation birefringence type liquid crystal display panel 700 does not have the problem of signal delay, and the consumed power of chip for driving also can not increase.
Fig. 3 B illustrates the schematic top plan view of the optical compensation birefringence type liquid crystal display panel of Fig. 3 A.Please refer to Fig. 3 B, be similar to first embodiment, in optical compensation birefringence type liquid crystal display panel 700, the electrode wires 630 that is electrical connected each other all is connected to several first contacts 380.First contact 380 relend by elargol (not illustrating), active block array device 300 first connection pad (not illustrating) and cabling (not illustrating) and be electrically connected at the first signal voltage source of chip for driving (not illustrating).Electrode pattern 620 electrically connects with a plurality of second contacts 390, and second contact 390 is second voltage signal sources that then are electrically connected at chip for driving (not illustrating) via other cabling (not illustrating) of second connection pad (not illustrating) of elargol (not illustrating), active block array device 200 and active block array device 200.
The 3rd embodiment
Fig. 4 illustrates the structural representation of the optical compensation birefringence type liquid crystal display panel of third embodiment of the invention, and wherein the active block array device of the optical compensation birefringence type liquid crystal display panel that is illustrated among Fig. 4 is identical with the active block array device that Fig. 2 B is illustrated.Please refer to Fig. 4, optical compensation birefringence type liquid crystal display panel 900 comprises an active block array device 200, a color filtering device 800 and the optical compensation birefringence type liquid crystal layer 400 between active block array device 200 and color filtering device 800.
Active block array device 200 and optical compensation birefringence type liquid crystal layer 400 are with identical described in first embodiment, so do not give unnecessary details it for literary composition in addition.Color filtering device 800 comprises a substrate 310, a colorized optical filtering array 810, an insulation course 820, a flatness layer 830 and a plurality of electrode pattern 840.Wherein, substrate 310 is described identical with first embodiment.Colorized optical filtering array 810 is disposed on the substrate 210, and this colorized optical filtering array 810 comprises a black matrix layer 812 and a colored light filter membrane layer 814.Defining a plurality of pixel region 812a, and colored light filter membrane layer 814 is to be disposed among these pixel regions 812a to black matrix layer 812 on substrate 210.Insulation course 820 covers the surface of black matrix layer 812.Flatness layer 830 is disposed on colorized optical filtering array 810 and the insulation course 820.Electrode pattern 840 is disposed on the interior flatness layer 830 of these pixel regions 812a.In addition, optical compensation birefringence type liquid crystal display panel 900 also comprises one first voltage signal source (not illustrating) and one second voltage signal source (not illustrating).Black matrix layer 812 is to be electrically connected to first voltage signal source, and electrode pattern 840 is to be electrically connected to second voltage signal source.Wherein, first voltage signal source provides one first voltage V1, and second voltage signal source provides one to share voltage Vc, and the first voltage V1 is greater than share voltage Vc.
Hold above-mentionedly, for example the material with colored light filter membrane layer 324, insulation course 350, flatness layer 360 and the shared electrode 330 of first embodiment is identical respectively for the material of colored light filter membrane layer 814, insulation course 820, flatness layer 830 and electrode pattern 840.The material of black matrix layer 812 for example is conductive material or other suitable material.
As shown in Figure 4, the optical compensation birefringence type liquid crystal display panel 900 of present embodiment also comprises an orientation rete 850, this orientation rete 850 covers flatness layers 830 and electrode patterns 840, and the material of orientation rete 850 for example the material with the orientation rete 250 of first embodiment is identical.In addition, electrode pattern 840 is to be disposed at colored light filter membrane layer 814 tops, and can not cover black matrix layer 812.Black matrix layer 812 is to be electrically connected to one first voltage V1, and the first voltage V1 is greater than share voltage Vc.Before optical compensation birefringence type liquid crystal display panel 900 show images, in the optical compensation birefringence type liquid crystal layer 400 below black matrix layer 812, the liquid crystal molecule of close sweep trace 220 or data line 230 tops can change bending status under the influence of the first voltage V1.Effect by the liquid crystal molecule that is converted to bending status, during optical compensation birefringence type liquid crystal display panel 900 show images, all the other liquid crystal molecules can convert bending status to more quickly and make optical compensation birefringence type liquid crystal display panel 900 present the work performance of rapid answer.
In addition, because it is less that the data-signal in the data line 230 transmits suffered load effect, so when the first voltage V1 puts on black matrix layer 812, signal transmission in sweep trace 220 or data line 230 can not be affected, optical compensation birefringence type liquid crystal display panel 900 does not have the problem of signal delay, and the consumed power of chip for driving also can not increase.
What deserves to be mentioned is that in the optical compensation birefringence type liquid crystal display panel 900 of present embodiment, black matrix layer 812 is conductive material, its effect is identical with electrode wires 340 or the electrode wires 630 of second embodiment of first embodiment.And the arrangement mode of black matrix 812 for example can be same as the grid-like arrangement of the electrode wires 340 that illustrates among Fig. 2 E.
In sum, optical compensation birefringence type liquid crystal display panel of the present invention has following advantage at least:
One, in optical compensation birefringence type liquid crystal display panel of the present invention, see through this sweep trace or data line and the formed electric field of this electrode wires part, the liquid crystal that can quicken optical compensation birefringence type liquid crystal display panel is transformed into the speed of bending status from spreading status.
Two, in optical compensation birefringence type liquid crystal display panel of the present invention, electrode wires or black matrix layer range sweep line and data line are far away, when high voltage puts on electrode wires or black matrix layer, because it is less that the data-signal in the data line transmits suffered load effect, so the signal transmission in sweep trace or data line can not be affected.Therefore optical compensation birefringence type liquid crystal display panel does not have the problem of signal delay.
Three, in optical compensation birefringence type liquid crystal display panel of the present invention, electrode wires or black matrix layer range sweep line and data line are far away, when high voltage puts on electrode wires or black matrix layer, because it is less that the data-signal in the data line 230 transmits suffered load effect, so the signal transmission in sweep trace or data line can not be affected, so the consumed power of chip for driving can not increase yet.
Though the present invention discloses as above with preferred embodiment; right its is not in order to limiting the present invention, anyly has the knack of this skill person, without departing from the spirit and scope of the present invention; when change and the retouching that can do equivalence, so protection scope of the present invention is as the criterion when looking claim.
Claims (27)
1. optical compensation birefringence type liquid crystal display panel comprises:
One active block array device, a color filtering device and the optical compensation birefringence type liquid crystal layer between this active block array device and this color filtering device,
Wherein this active block array device comprises:
One substrate;
The multi-strip scanning line is disposed on this substrate;
Many data lines are disposed on this substrate;
A plurality of pixel cells are disposed on this substrate, and one of one of each pixel cell and described sweep trace and described data line are electrical connected;
Wherein this color filtering device comprises:
One substrate;
One colorized optical filtering array is disposed on this substrate, and this colorized optical filtering array has a black matrix layer and a colored light filter membrane layer;
One shares electrode, is disposed at this colorized optical filtering array top;
Many strip electrodes line, with respect to described at least sweep trace and described data line one of them and be disposed at the top of this shared electrode; And
One insulation course is disposed between this shared electrode and the described electrode wires, so that described electrode wires and this shared electrode are electrically insulated.
2. optical compensation birefringence type liquid crystal display panel according to claim 1, described sweep trace and described data line are corresponding to should black matrix layer be disposed on this color filtering device.
3. optical compensation birefringence type liquid crystal display panel according to claim 1, wherein each pixel cell respectively with sweep trace wherein and wherein a data line be electrical connected, and each pixel cell comprises an active block and a pixel electrode.
4. optical compensation birefringence type liquid crystal display panel according to claim 3, this active block is electrical connected with corresponding this sweep trace and this data line, and this pixel electrode then is electrical connected with this active block.
5. optical compensation birefringence type liquid crystal display panel according to claim 1 also comprises a flatness layer, is disposed between this colorized optical filtering array and this shared electrode.
6. optical compensation birefringence type liquid crystal display panel according to claim 1, wherein said electrode wires are the tops that is disposed at this black matrix layer.
7. optical compensation birefringence type liquid crystal display panel according to claim 1, the material of wherein said electrode wires comprises metal.
8. optical compensation birefringence type liquid crystal display panel according to claim 1, wherein this color filtering device also comprises an orientation rete, covers this shared electrode and described electrode wires.
9. optical compensation birefringence type liquid crystal display panel according to claim 1, also comprise one first voltage signal source and one second voltage signal source, and described electrode wires is to be electrically connected to this first voltage signal source, this shared electrode is to be electrically connected to this second voltage signal source, wherein this first voltage signal source provides one first voltage, this second voltage signal source provides one second voltage, and this first voltage is greater than this second voltage.
10. optical compensation birefringence type liquid crystal display panel according to claim 1, the material that wherein should deceive matrix layer comprises one of them of metal and resin at least.
11. an optical compensation birefringence type liquid crystal display panel comprises:
One active block array device, a color filtering device and the optical compensation birefringence type liquid crystal layer between this active block array device and this color filtering device,
Wherein this active block array device comprises:
One substrate;
The multi-strip scanning line is disposed on this substrate;
Many data lines are disposed on this substrate;
A plurality of pixel cells are disposed on this substrate, and one of one of each pixel cell and described sweep trace and described data line are electrical connected;
Wherein this color filtering device comprises:
One substrate;
One colorized optical filtering array is disposed on this substrate, and this colorized optical filtering array has a black matrix layer and a colored light filter membrane layer;
One flatness layer is to cover this colorized optical filtering array;
A plurality of electrode patterns are disposed on this flatness layer; And
Many strip electrodes line, with respect to described at least sweep trace and described data line one of them and be disposed on this flatness layer, and described electrode wires and described electrode pattern are electrically insulated.
12. optical compensation birefringence type liquid crystal display panel according to claim 11, described sweep trace and described data line are corresponding to should black matrix layer be disposed on this color filtering device.
13. optical compensation birefringence type liquid crystal display panel according to claim 11, wherein each pixel cell respectively with sweep trace wherein and wherein a data line be electrical connected, and each pixel cell comprises an active block and a pixel electrode.
14. optical compensation birefringence type liquid crystal display panel according to claim 13, this active block is electrical connected with corresponding this sweep trace and this data line, and this pixel electrode then is electrical connected with this active block.
15. optical compensation birefringence type liquid crystal display panel according to claim 11, wherein said electrode pattern is identical with the material of described electrode wires.
16. optical compensation birefringence type liquid crystal display panel according to claim 11 wherein is disposed at and has one between described electrode pattern on this flatness layer and the described electrode wires at interval, so that described electrode wires and this electrode pattern are electrically insulated.
17. optical compensation birefringence type liquid crystal display panel according to claim 11, wherein said electrode pattern are the tops that correspondence is disposed at this colored light filter membrane layer, and described electrode wires is the top that correspondence is disposed at this black matrix layer.
18. optical compensation birefringence type liquid crystal display panel according to claim 11, wherein this color filtering device also comprises an orientation rete, covers this electrode pattern and described electrode wires.
19. optical compensation birefringence type liquid crystal display panel according to claim 11, also comprise one first voltage signal source and one second voltage signal source, and described electrode wires is to be electrically connected to this first voltage signal source, this electrode pattern is to be electrically connected to this second voltage signal source, wherein this first voltage signal source provides one first voltage, this second voltage signal source provides one to share voltage, and this first voltage is greater than this share voltage.
20. optical compensation birefringence type liquid crystal display panel according to claim 11, the material that wherein should deceive matrix layer comprises one of them of metal and resin at least.
21. an optical compensation birefringence type liquid crystal display panel comprises:
One active block array device, a color filtering device and the optical compensation birefringence type liquid crystal layer between this active block array device and this color filtering device,
Wherein this active block array device comprises:
One substrate;
The multi-strip scanning line is disposed on this substrate;
Many data lines are disposed on this substrate;
A plurality of pixel cells are disposed on this substrate, and one of one of each pixel cell and described sweep trace and described data line are electrical connected;
Wherein this color filtering device comprises:
One substrate;
One colorized optical filtering array, be disposed on this substrate, this colorized optical filtering array comprises a black matrix layer and a colored light filter membrane layer, wherein should black matrix series of strata formed by conductive material and on this substrate defining a plurality of pixel regions, and this colored light filter membrane layer is to be disposed in the described pixel region;
One insulation course covers the surface of this black matrix layer;
One flatness layer is disposed on this colorized optical filtering array and this insulation course; And
A plurality of electrode patterns are disposed on this flatness layer in the described pixel region.
22. optical compensation birefringence type liquid crystal display panel according to claim 21, described sweep trace and described data line are corresponding to should black matrix layer be disposed on this color filtering device.
23. optical compensation birefringence type liquid crystal display panel according to claim 21, wherein each pixel cell respectively with sweep trace wherein and wherein a data line be electrical connected, and each pixel cell comprises an active block and a pixel electrode.
24. optical compensation birefringence type liquid crystal display panel according to claim 23, this active block is electrical connected with corresponding this sweep trace and this data line, and this pixel electrode then is electrical connected with this active block.
25. optical compensation birefringence type liquid crystal display panel according to claim 23, also comprise one first voltage signal source and one second voltage signal source, and should black matrix layer be to be electrically connected to this first voltage signal source, this electrode pattern is to be electrically connected to this second voltage signal source, wherein this first voltage signal source provides one first voltage, this second voltage signal source provides one to share voltage, and this first voltage is greater than this share voltage.
26. optical compensation birefringence type liquid crystal display panel according to claim 23, wherein said electrode pattern are to be disposed at this colored light filter membrane layer top, and can not cover this black matrix layer.
27. optical compensation birefringence type liquid crystal display panel according to claim 23, wherein this color filtering device also comprises an orientation rete, covers this flatness layer and described electrode pattern.
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| CN101131509B (en) * | 2006-08-21 | 2010-07-21 | 中华映管股份有限公司 | Liquid crystal display board |
| CN101825820B (en) * | 2009-03-03 | 2013-07-10 | 瀚宇彩晶股份有限公司 | Pixel structure of optical compensation birefringence LCD and forming method thereof |
| CN102540586A (en) * | 2010-12-15 | 2012-07-04 | 华映视讯（吴江）有限公司 | Liquid crystal display device |
| CN107844009B (en) * | 2017-11-22 | 2021-01-29 | Tcl华星光电技术有限公司 | Display device and display panel thereof |
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| JP2005189756A (en) * | 2003-12-26 | 2005-07-14 | Sharp Corp | Liquid crystal display device |
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| US20050185120A1 (en) * | 2004-02-19 | 2005-08-25 | Sharp Kabushiki Kaisha | Liquid crystal display device |
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| JP2005201961A (en) * | 2004-01-13 | 2005-07-28 | Seiko Epson Corp | Liquid crystal device and projection display device |
| US20050162594A1 (en) * | 2004-01-28 | 2005-07-28 | Fujitsu Display Technologies Corporation | Liquid crystal display device |
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