CN101923261B - Liquid crystal display panel - Google Patents
Liquid crystal display panel Download PDFInfo
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- CN101923261B CN101923261B CN2010102572416A CN201010257241A CN101923261B CN 101923261 B CN101923261 B CN 101923261B CN 2010102572416 A CN2010102572416 A CN 2010102572416A CN 201010257241 A CN201010257241 A CN 201010257241A CN 101923261 B CN101923261 B CN 101923261B
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Abstract
The invention provides a liquid crystal display panel. The liquid crystal display panel comprises a first base plate, a second base plate, a liquid crystal layer, a common electrode layer and a plurality of pixel structures, wherein the liquid crystal layer is arranged between the first base plate and the second base plate; the common electrode layer is arranged on the first base plate; the plurality of pixel structures are arranged on the second base plate; each pixel structure comprises a first data line, a second data line, a third data line and at least one capacitance adjusting layer; and the capacitance adjusting layer is arranged between the common electrode layer and the second data line.
Description
[technical field]
The present invention about a kind of display panels, picture element structure of arrays with and image element structure; Especially refer to a kind of display panels, picture element structure of arrays with and image element structure, its data line and coupling capacitance between the common electrode on the colored filter substrate that is electrically connected to green sub-picture element is greater than the coupling capacitance between the common electrode on data line that is electrically connected to red sub-picture element and blue sub-picture element and the colored filter substrate.
[background technology]
Generally speaking; That display panels has is in light weight, power consumption is few and the advantage of low radiation or the like; Therefore; Display panels has been widely used in multiple on the market portable information product, and for example (personal digital assistant PDA) waits commodity for mobile computer (notebook) and personal digital assistant.When carrying out the driving of display panels; It is too of a specified duration that cause liquid crystal molecule wherein is fixed on an angle; Can cause liquid crystal molecule to produce deformation inertia; Make display panels can't change picture,, generally can use the type of drive of reversal of poles therefore for fear of the display quality that reduces display panels.
The type of drive of general reversal of poles can be divided into frame counter-rotating (frame inversion), row counter-rotatings (row inversion), row counter-rotating (column inversion) and some counter-rotating modes such as (dot inversion).Please refer to Fig. 1, Fig. 1 shows the sub-picture element polarity arrangement synoptic diagram of check pattern for the type of drive of available liquid crystal display panel utilization row counter-rotating.As shown in Figure 1, available liquid crystal display panel 10 comprises a plurality of sub-picture elements 12 that matrix-style is arranged that are.The sub-picture element 12 of each row is respectively exhibit red, green and blue sub-picture element 12 in regular turn, and red sub-picture element 12, one green sub-picture element 12 and with a green sub-picture element adjacent blue sub-picture element 12 adjacent with red sub-picture element constitutes a picture element 18.When display panels 10 utilized the type of drive of row counter-rotating to drive, the polarity that is positioned at the sub-picture element 12 of same row was arranged as positive polarity 14 and alternately arranges in regular turn with negative polarity 16, and the sub-picture element that is positioned at delegation then has identical polar.
And when display panels showed the test of check pattern, the picture element 18 that is positioned at same row presented the one bright one dark picture of alternately arranging, and the picture element 18 that is positioned at delegation also presents the one bright one dark picture of alternately arranging.In this type of drive, be positioned at the first row red sub-picture element opened 12 and all have positive polarity, and be positioned at 12 of the green sub-picture elements that first row have opened and have negative polarity with blue sub-picture element 12.On the contrary, be positioned at the red sub-picture element 12 that secondary series opened and all have negative polarity, and be positioned at 12 of the green sub-picture elements that secondary series opened and have positive polarity with blue sub-picture element 12.Wherein, the polarity of sub-picture element 12 is done judgement by the voltage of the pixel electrode of each sub-picture element 12 compared to common electric voltage, and when the polarity of sub-picture element 12 was positive polarity, the voltage of pixel electrode was greater than common electric voltage, and pixel electrode is in high levels.Otherwise the voltage of pixel electrode is less than common electric voltage, and pixel electrode is in low level.
Please refer to Fig. 2, Fig. 2 is positioned at the sequential synoptic diagram of voltage of pixel electrode of voltage and green sub-picture element of pixel electrode of the red sub-picture element/blue sub-picture element of first row for Fig. 1.Like Fig. 1 and shown in Figure 2; Be arranged in same row; The sub-picture element 12 that has a negative polarity 16 when sub-picture element 12 quantity with positive polarity 14 for a long time; I.e. expression provides to the data-signal Vd of the sub-picture element of redness 12 and blue sub-picture element 12 and is positioned at high levels, is positioned at low level and provide to the data-signal Vd of the sub-picture element 12 of green, and the size of common electric voltage Vcom receives easily to be provided to the sub-picture element 12 of redness with the data-signal Vd influence of blue sub-picture element 12 toward the variation of high levels; The pixel voltages difference that drives red sub-picture element 12/ blue sub-picture element 12 is diminished, and the pixel voltages difference that drives green sub-picture element 12 is increased.The GTG that further causes red sub-picture element 12/ blue sub-picture element 12 to be demonstrated is lower, and the GTG that green sub-picture element 12 is demonstrated is higher.Therefore, when display panels 10 utilized the type of drive of row counter-rotating to carry out the test of check pattern, display panels 10 can produce green partially picture.In view of this, solve to produce the real target of making great efforts for industry of the problem of green partially picture.
[summary of the invention]
One of fundamental purpose of the present invention is to provide a kind of display panels, to solve the problem of green partially picture.
For reaching above-mentioned purpose; The present invention provides a kind of display panels; It has a plurality of picture element regions, and each picture element region comprises one first sub-picture element region, one second sub-picture element region and one the 3rd sub-picture element region, and the second sub-picture element region is located between the first sub-picture element region and the 3rd sub-picture element region.Display panels comprises one first substrate, one second substrate, a liquid crystal layer, a common electrode layer and a plurality of image element structure.Second substrate and first substrate are oppositely arranged.Liquid crystal layer is arranged between first substrate and second substrate, and liquid crystal layer has one first specific inductive capacity.The common electrode layer is located on first substrate.Image element structure is arranged at respectively in each picture element region, and each image element structure comprises one first data line, one second data line, one the 3rd data line, at least one first sub-picture element, at least one second sub-picture element, at least one the 3rd sub-picture element and at least one first capacitance adjusting layers.First data line, second data line and the 3rd data line are located on second substrate, and are located at a side of the first sub-picture element region, the second sub-picture element region and the 3rd sub-picture element region respectively.The first sub-picture element is located on second substrate of the first sub-picture element region, and the first sub-picture element and the electric connection of first data line.The second sub-picture element is located on second substrate of the second sub-picture element region, and the second sub-picture element and the electric connection of second data line.The 3rd sub-picture element is located on second substrate of the 3rd sub-picture element region, and the 3rd sub-picture element and the electric connection of the 3rd data line.First capacitance adjusting layers is located between the common electrode layer and second data line, and first capacitance adjusting layers has one second specific inductive capacity, and second specific inductive capacity is greater than first specific inductive capacity.
For reaching above-mentioned purpose; The present invention provides a kind of display panels in addition; It has a plurality of picture element regions, and each picture element region comprises one first sub-picture element region, one second sub-picture element region and one the 3rd sub-picture element region, and the second sub-picture element region is located between the first sub-picture element region and the 3rd sub-picture element region.Display panels comprises one first substrate, one second substrate, a liquid crystal layer, a common electrode layer and a plurality of image element structure.Second substrate and first substrate are oppositely arranged.Liquid crystal layer is arranged between first substrate and second substrate, and liquid crystal layer has one first specific inductive capacity.The common electrode layer is located on first substrate.Image element structure is arranged at respectively in each picture element region, and each image element structure comprises one first data line, one second data line, one the 3rd data line, at least one first sub-picture element, at least one second sub-picture element, at least one the 3rd sub-picture element and at least two second capacitance adjusting layers.First data line, second data line and the 3rd data line are located on second substrate, and are located at a side of the first sub-picture element region, the second sub-picture element region and the 3rd sub-picture element region respectively.The first sub-picture element is located on second substrate of the first sub-picture element region, and the first sub-picture element and the electric connection of first data line.The second sub-picture element is located on second substrate of the second sub-picture element region, and the second sub-picture element and the electric connection of second data line.The 3rd sub-picture element is located on second substrate of the 3rd sub-picture element region, and the 3rd sub-picture element and the electric connection of the 3rd data line.Second capacitance adjusting layers is located at respectively between the common electrode layer and first data line, and is located between common electrode layer and the 3rd data line, and each second capacitance adjusting layers has one the 3rd specific inductive capacity respectively, and the 3rd specific inductive capacity is less than first specific inductive capacity.
The present invention is provided with first capacitance adjusting layers between the common electrode layer and second data line; Perhaps between common electrode layer and first data line and the 3rd data line, second capacitance adjusting layers is set; Make the common electric voltage of common electrode layer rough identical with the side-play amount of past second polarity toward first polarity; Common electric voltage is unlikely receive the influence of data-signal and produces skew, and then solve the problem of green partially picture.
[description of drawings]
Fig. 1 shows the sub-picture element polarity arrangement synoptic diagram of check pattern for the type of drive of available liquid crystal display panel utilization row counter-rotating.
Fig. 2 is positioned at the sequential synoptic diagram of voltage of pixel electrode of voltage and green sub-picture element of pixel electrode of the red sub-picture element/blue sub-picture element of first row for Fig. 1.
Fig. 3 is the schematic equivalent circuit of the present invention's one sub-picture element.
Fig. 4 is for looking synoptic diagram on the display panels of the present invention's first preferred embodiment.
Fig. 5 is the diagrammatic cross-section of the first preferred embodiment display panels along tangent line AA ' shown in Figure 4.
Fig. 6 to Fig. 8 is the diagrammatic cross-section of the display panels of the present invention's second preferred embodiment to the four preferred embodiments along tangent line AA ' shown in Figure 4.
Fig. 9 is for looking synoptic diagram on the display panels of the present invention's the 5th preferred embodiment.
Figure 10 is the diagrammatic cross-section of the display panels of the 5th preferred embodiment along tangent line BB ' shown in Figure 9.
Figure 11 is for looking synoptic diagram on the display panels of the present invention's the 6th preferred embodiment.
Figure 12 is the diagrammatic cross-section of the display panels of the 6th preferred embodiment along tangent line CC ' shown in Figure 11.
Figure 13 is for looking synoptic diagram on the display panels of the present invention's the 7th preferred embodiment.
[primary clustering symbol description]
10 display panels, 12 sub-picture elements
14 positive polaritys, 16 negative polarity
18 picture elements, 100 sub-picture elements
102 sweep traces, 104 data lines
106 transistors, 108 common electrodes
110 common line 112 storage capacitors
114 liquid crystal capacitances, 116 coupling capacitances
118 coupling capacitances, 120 coupling capacitances
122 coupling capacitances, 150 display panels
152 first substrate 152a first surfaces
154 second substrate 154a second surfaces
156 liquid crystal layers, 158 picture element regions
160 first sub-picture element region 162 second sub-picture element regions
164 the 3rd sub-picture element region 166 common electrode layers
168 chromatic filter layers, 170 black-matrix layer
172 image element structures, 174 first data lines
176 second data lines 178 the 3rd data line
180 sweep traces, 181 common lines
The 181a first common line 181b second common line
The sub-picture element of 182 first sub-picture element 182a first upsides
The sub-picture element 184 second sub-picture elements of 182b first downside
The sub-picture element of sub-picture element 184b second downside of 184a second upside
The sub-picture element of 186 the 3rd sub-picture element 186a the 3rd upsides
190 the first transistors, 192 first sub-pixel electrodes
194 transistor secondses, 196 second sub-pixel electrodes
198 the 3rd transistors 200 the 3rd sub-pixel electrode
202 insulation courses, 204 protective seams
250 display panels, 252 second capacitance adjusting layers
260 display panels, 262 chromatic filter layers
270 display panels, 272 chromatic filter layers
274 black-matrix layer, 280 display panels
282 second capacitance adjusting layers, 290 display panels
292 second capacitance adjusting layers, 300 display panels
302 sweep trace C
1First coupling capacitance
C
2The second coupling capacitance C
3The 3rd coupling capacitance
Vcom common electric voltage Vd data-signal
[embodiment]
Be familiar with under the present invention the general art of technical field and can further understand the present invention for making, the hereinafter spy enumerates several preferred embodiments of the present invention, and cooperate appended graphic, specify constitution content of the present invention and the effect desiring to reach.
Please refer to Fig. 3, Fig. 3 is the schematic equivalent circuit of the present invention's one sub-picture element.As shown in Figure 3, sub-picture element 100 of the present invention is electrically connected to an one scan line 102 and a data line 104, and sub-picture element 100 comprises a transistor 106 and a pixel electrode (not being shown in Fig. 3).Pixel electrode is electrically connected to the source electrode of transistor 106, and the drain electrode of transistor 106 is electrically connected to data line 104, and the grid of transistor 106 is electrically connected to sweep trace 102.And pixel electrode and common electrode 108 and the 110 overlapping couplings of common line make to be coupled with a storage capacitors 112 between pixel electrode and the common line 110, are coupled with a liquid crystal capacitance 114 between pixel electrode and the common electrode 108.Data line 104, sweep trace 102, common line 110 and transistor 106 are positioned on the picture element array substrate, and common electrode 108 is positioned on the colored filter substrate.In addition, be coupled with the coupling capacitance 116 between the gate-to-source between the source electrode of transistor 106 and the sweep trace 102, and be coupled with the coupling capacitance 118 between the gate-to-drain between data line 104 and the sweep trace 102.Be coupled with the coupling capacitance 120 between the common line 110 of data line 104-of a multiple substrate side between the common line 110 of data line 104 and multiple substrate, and be coupled with the coupling capacitance 122 between the data line 104-common electrode 108 of a colored filter substrate side between the common electrode 108 of data line 104 and colored filter substrate in addition.Hence one can see that, and when transistor 106 received the one scan signal and opens, data-signal also can provide to pixel electrode through transistor 106.At this moment; Owing to have coupling capacitance between data line 104 and common line 110 or the common electrode 108; Be coupling capacitance 122, storage capacitors 112 and liquid crystal capacitance 114 between the data line 104-common electrode 108 of coupling capacitance 120 between the common line 110 of data line 104-of multiple substrate side, colored filter substrate side, therefore common line 110 can receive the influence of data-signal and produce skew with voltage on the common electrode 108.
Therefore; In order to improve problem because of the uneven green partially picture that produces of polarity; The present invention is under the situation of coupling capacitance 120 between the common line 110 of the data line 104-of the storage capacitors that does not change each sub-picture element 112, multiple substrate side and liquid crystal capacitance 114; Size by the coupling capacitance 122 between the data line 104-common electrode 108 of adjustment colored filter substrate side makes red sub-picture element in the single picture element region, green sub-picture element and blue sub-picture element be electrically connected to the coupling capacitance 122 between the different pieces of information line 104-common electrode 108.By this, red sub-picture element, green sub-picture element are able to have the pixel voltages of identical size with blue sub-picture element, and then solve the problem of green partially picture.
Please refer to Fig. 4 and Fig. 5, Fig. 4 is for looking synoptic diagram on the display panels of the present invention's first preferred embodiment, and Fig. 5 is the diagrammatic cross-section of the first preferred embodiment display panels along tangent line AA ' shown in Figure 4.Like Fig. 4 and shown in Figure 5, display panels 150 comprises one first substrate 152, one second substrate 154, a liquid crystal layer 156.First substrate 152 is for being used to make the transparency carrier of colored filter substrate, for example glass substrate or plastic base etc., and first substrate 152 has a first surface 152a.Second substrate 154 and first substrate 152 are parallel to each other and be oppositely arranged, and second substrate 154 has a second surface 154a in the face of first surface 152a.Second substrate 154 is for being used to make the transparency carrier of thin film transistor base plate, for example: glass substrate or plastic base etc.Liquid crystal layer 156 is arranged between first substrate 152 and second substrate 154, and liquid crystal layer 156 has one first specific inductive capacity, and is rough between 3.5 to 7.
In this preferred embodiment, the chromatic filter layer 168 of each picture element region 158 can be divided into a red filter layer, a green filter layer and a blue color filter layer.Each red filter layer is located on first substrate 152 in each first sub-picture element region 160.Each green filter layer is located on first substrate 152 in each second sub-picture element region 162.Each blue color filter layer is located on first substrate 152 in the 3rd sub-picture element region 164.Therefore, the first sub-picture element region 160 is defined as a red sub-picture element region, and the second sub-picture element region 162 is defined as a green sub-picture element region, and the 3rd sub-picture element region 164 is defined as a blue sub-picture element region, but not as limit.
In addition, display panels 150 comprises a plurality of image element structures 172 in addition, and each image element structure 172 is arranged at respectively in each picture element region 158.Each image element structure 172 comprises one first data line 174, one second data line 176, one the 3rd data line 178, one scan line 180, one common line 181, at least one first sub-picture element 182, at least one second sub-picture element the 184, at least one the 3rd sub-picture element 186 and at least one first capacitance adjusting layers 188.Wherein, sweep trace 180 is made up of a first metal layer with common line 181, and first data line 174, second data line 176 and the 3rd data line 178 are made up of one second metal level.First data line 174, second data line 176 and the 3rd data line 178 are located at respectively on second substrate 154 of a side of first sub-picture element region 160, the second sub-picture element region 162 and the 3rd sub-picture element region 164, and intermesh with sweep trace 180 and common line 181.Common line 181 passes through first sub-picture element region 160, second sub-picture element region 162 and the 3rd sub-picture element region 164.First sub-picture element 182, the second sub-picture element 184 and the 3rd sub-picture element 186 are located at respectively on second substrate 154 in first sub-picture element region 160, the second sub-picture element region 162 and the 3rd sub-picture element region 164; And the first sub-picture element 182 comprises a first transistor 190 and one first sub-pixel electrode 192; The second sub-picture element 184 comprises a transistor seconds 194 and one second sub-pixel electrode 196, and the 3rd sub-picture element 186 comprises one the 3rd transistor 198 and one the 3rd sub-pixel electrode 200.And; The drain electrode of the first transistor 190, transistor seconds 194 and the 3rd transistor 196 is electrically connected to first sub-pixel electrode 192, second sub-pixel electrode 196 and the 3rd sub-pixel electrode 200 respectively; The source electrode of the first transistor 190, transistor seconds 194 and the 3rd transistor 198 is electrically connected to first data line 174, second data line 176 and the 3rd data line 178 respectively, and the grid of the first transistor 190, transistor seconds 194 and the 3rd transistor 198 is electrically connected to sweep trace 180.In addition, has one first coupling capacitance C between the common electrode layer 166 and first data line 174
1, have one second coupling capacitance C between the common electrode layer 166 and second data line 176
2, and have one the 3rd coupling capacitance C between common electrode layer 166 and the 3rd data line 178
3First capacitance adjusting layers 188 is located between the common electrode layer 166 and second data line 176, to be used to adjust the second coupling capacitance C
2Coupling capacitance.First capacitance adjusting layers 188 of the present invention has one second specific inductive capacity; And second specific inductive capacity is greater than first specific inductive capacity of liquid crystal layer 156; First capacitance adjusting layers 188 can constitute by having high dielectric constant materials; For example: silicon nitride (SiNx), the silicon oxynitride of high nitrogenous ratio, or tantalum pentoxide (Ta
2O
5) or the like high dielectric constant materials, but not as limit.
Further, each image element structure 172 comprises an insulation course 202 and a protective seam 204 in addition.Insulation course 202 is arranged between the first metal layer and second metal level, in order to the electrical isolation the first metal layer and second metal level.Protective seam 204 is arranged between second metal level and the liquid crystal layer 156, is used to protect electronic package and the circuit on second substrate 154.In this preferred embodiment, first capacitance adjusting layers 188 can be arranged between common electrode layer 166 and the liquid crystal layer 156, that is is made on first substrate 152.And first capacitance adjusting layers 188 and second data line 176 are overlapping, make the second coupling capacitance C
2Dielectric layer constitute by liquid crystal layer 156, protective seam 204 and 188 of first capacitance adjusting layers.In addition, between first data line 174 and the 3rd data line 178 and the common electrode layer 166 capacitance adjusting layers is not set, therefore the first coupling capacitance C
1With the 3rd coupling capacitance C
3Dielectric layer only constitute by liquid crystal layer 156 and 204 of protective seams.It should be noted that first capacitance adjusting layers 188 has one second specific inductive capacity, and second specific inductive capacity makes second coupling capacitance greater than first coupling capacitance and the 3rd coupling capacitance greater than first specific inductive capacity of liquid crystal layer.
When display panels 150 shows with capable type of drive of reversing; First data line 174 and the 3rd data line 176 transmit respectively one have one first polarity sub-picture element 182 of data-signal to the first and the 3rd sub-picture element 186; Make the first sub-picture element 182 and the 3rd sub-picture element 186 have first polarity; And the sub-picture element 184 of data-signal to the second that 176 transmission one of second data line have one second polarity makes the second sub-picture element 184 have second polarity, and wherein first polarity is in contrast to second polarity.In present embodiment, first polarity is positive polarity, and second polarity is negative polarity, but is not limited thereto, and vice versa.In this process; The data-signal that 176 transmission of second data line have second polarity can produce coupling effect to the common electric voltage of common electrode layer 166; Make common electric voltage toward the skew of second polarity; And first data line 174 and 178 transmission of the 3rd data line have the data-signal of first polarity and can produce coupling effect to the common electric voltage of common electrode layer 166, make common electric voltage toward the skew of first polarity.What deserves to be mentioned is; Though first data line 174 and 178 transmission of the 3rd data line have the twice that the total quantity of the data-signal of first polarity is the total quantity of the data-signal of 176 transmission of second data line with second polarity, present embodiment utilizes the second coupling capacitance C
2Greater than the first coupling capacitance C
1And the 3rd coupling capacitance C
3, make data-signal have the common electric voltage generation higher coupling effect of the data-signal of first polarity to common electrode layer 166 with second polarity, make the common electric voltage of common electrode layer 166 rough identical with the side-play amount of past second polarity toward first polarity.And because first polarity is opposite with second polarity, so the side-play amount of past first polarity of common electric voltage and second polarity can cancel each other, and common electric voltage is unlikely receive the influence of data-signal and produces skew.So, all rough identical at first sub-pixel electrode 192, the second sub-pixel electrode 196 with voltage difference between the 3rd sub-pixel electrode 200 and the common electrode layer 166, and then solve the problem of green partially picture.
In addition, first capacitance adjusting layers of the present invention is not limited to be located between common electrode layer and the liquid crystal layer, and chromatic filter layer of the present invention and black-matrix layer also are not limited to be located on first substrate.Please refer to Fig. 6 to Fig. 8, Fig. 6 to Fig. 8 is the diagrammatic cross-section of the display panels of the present invention's second preferred embodiment to the four preferred embodiments along tangent line AA ' shown in Figure 4.Assembly that following preferred embodiment is identical with first preferred embodiment or position are still continued to use identical symbol and are represented, and identical structure repeats no more.As shown in Figure 6, compared to first preferred embodiment, first capacitance adjusting layers 252 of the display panels 250 of second preferred embodiment is located between liquid crystal layer 156 and each second data line 176, that is is made on second substrate 154.As shown in Figure 7, compared to first preferred embodiment, the chromatic filter layer 262 of the display panels 260 of the 3rd preferred embodiment is located between second substrate 154 and the liquid crystal layer 156.Wherein, red filter layer is located between first pixel electrode 192 and the protective seam 204, and green filter layer is located between second pixel electrode 196 and the protective seam 204, and blue color filter layer is located between the 3rd pixel electrode 200 and the protective seam 204.That is present embodiment is made in chromatic filter layer 262 on second substrate 154.And first capacitance adjusting layers 188 of present embodiment is located between liquid crystal layer 156 and the common electrode layer 166, but the invention is not restricted to this, also can first capacitance adjusting layers be arranged between the liquid crystal layer and second data line.As shown in Figure 8; Compared to first preferred embodiment; The chromatic filter layer 272 of the display panels 270 of the 4th preferred embodiment and black-matrix layer 274 are located between liquid crystal layer 156 and the protective seam 204, and common electrode layer 166 directly contacts with second substrate 154.That is present embodiment is made in chromatic filter layer 272 and black-matrix layer 274 on second substrate 154.In addition, first capacitance adjusting layers 188 of present embodiment is located between liquid crystal layer 156 and the common electrode layer 166, but the invention is not restricted to this, also can first capacitance adjusting layers be arranged between the liquid crystal layer and second data line.
In other preferred embodiment, also can be respectively arranged with another capacitance adjusting layers at least between first data line and the 3rd data line and the common electrode layer.Please refer to Fig. 9 and Figure 10, Fig. 9 is for looking synoptic diagram on the display panels of the present invention's the 5th preferred embodiment, and Figure 10 is the diagrammatic cross-section of the display panels of the 5th preferred embodiment along tangent line BB ' shown in Figure 9.Like Fig. 9 and shown in Figure 10; Compared to first preferred embodiment; Each image element structure 172 of the display panels 280 of present embodiment comprises at least two second capacitance adjusting layers 282 in addition; Be located at asking of common electrode layer 166 and liquid crystal layer 156, and correspond respectively to first data line 174 and the 3rd data line 178, to be used to adjust the first coupling capacitance C
1With the 3rd coupling capacitance C
3Second capacitance adjusting layers 282 of the present invention can be made up of the material that has less than first specific inductive capacity; For example: photoresist; Its specific inductive capacity is rough between 3.2 to 3.3; Can be used for forming separation material (photo spacer) or projection (bump), or other organic dielectric materials, but not as limit.What deserves to be mentioned is that each second capacitance adjusting layers 282 of present embodiment has one the 3rd specific inductive capacity, and the 3rd specific inductive capacity is less than first specific inductive capacity, and the 3rd specific inductive capacity makes the first coupling capacitance C less than second specific inductive capacity
1With the 3rd coupling capacitance C
3Less than the second coupling capacitance C
2Hence one can see that, and present embodiment not only utilizes first capacitance adjusting layers 188 to adjust the second coupling capacitance C
2, more utilize second capacitance adjusting layers 282 between common electrode layer 166 and first data line 174 and the 3rd data line 178 to adjust the first coupling capacitance C1 and the 3rd coupling capacitance C
3Also can make data-signal have the common electric voltage generation higher coupling effect of the data-signal of first polarity, make the common electric voltage of common electrode layer 166 rough identical with the side-play amount of past second polarity toward first polarity to common electrode layer 166 with second polarity.Therefore common electric voltage is unlikely the influence that receives data-signal and produces skew, and then solves the problem of green partially picture.
In addition, second capacitance adjusting layers of the present invention is not also limit and is located between common electrode layer and the liquid crystal layer, and chromatic filter layer and black-matrix layer are not limited to be located on first substrate.In other embodiment, second capacitance adjusting layers can be located between the liquid crystal layer and first data line and be located between liquid crystal layer and the 3rd data line.And chromatic filter layer also can be located between second substrate and the liquid crystal layer.Perhaps, chromatic filter layer and black-matrix layer all are located between liquid crystal layer and the protective seam, and the common electrode layer is direct and second substrate contacts.
Please refer to Figure 11 and Figure 12, Figure 11 is for looking synoptic diagram on the display panels of the present invention's the 6th preferred embodiment, and Figure 12 is the diagrammatic cross-section of the display panels of the 6th preferred embodiment along tangent line CC ' shown in Figure 11.Assembly that following preferred embodiment is identical with the 5th preferred embodiment or position are still continued to use identical symbol and are represented, and identical structure repeats no more.Like Figure 11 and shown in Figure 12; Compared to the 5th preferred embodiment; Each image element structure 172 of the display panels 290 of present embodiment only comprises second capacitance adjusting layers 292; And first capacitance adjusting layers 188 is not set, and each second capacitance adjusting layers 292 is arranged between the liquid crystal layer 156 and first data line 174 respectively and between liquid crystal layer 156 and the 3rd data line 178.Therefore, the first coupling capacitance C
1With the 3rd coupling capacitance C
3Dielectric layer constitute by liquid crystal layer 156, protective seam 204 and 292 of second capacitance adjusting layers.In addition, between second data line 176 and the common electrode layer 166 capacitance adjusting layers is not set, therefore the second coupling capacitance C
2Dielectric layer only constitute by liquid crystal layer 156 and 204 of protective seams.Hence one can see that, and second capacitance adjusting layers 292 has first specific inductive capacity of the 3rd specific inductive capacity less than liquid crystal layer 156, makes the first coupling capacitance C
1With the 3rd coupling capacitance C
3Less than the second coupling capacitance C
2Also can make data-signal have the common electric voltage generation lower coupling effect of the data-signal of second polarity, make the common electric voltage of common electrode layer 166 rough identical with the side-play amount of past second polarity toward first polarity to common electrode layer 166 with first polarity.Therefore common electric voltage is unlikely the influence that receives data-signal and produces skew, and then solves the problem of green partially picture.
In addition; The invention is not restricted to above-mentioned image element structure; Also can be the image element structure with other function, for example: image element structure also can have two pixel electrodes in single sub-picture element region, to improve colour cast problem and the problem of film flicker of display panels when watching with great visual angle.Please refer to Figure 13, Figure 13 is for looking synoptic diagram on the display panels of the present invention's the 7th preferred embodiment.Shown in figure 13; Compared to first preferred embodiment; The sweep trace 302 of the display panels 300 of present embodiment is located on second substrate 154 and is crossed first sub-picture element region 160, second sub-picture element region 162 and the 3rd sub-picture element region 164; And the first sub-picture element 182 comprises sub-picture element 182a of one first upside and the sub-picture element 182b of one first downside; The second sub-picture element 184 comprises sub-picture element 184a of one second upside and the sub-picture element 184b of one second downside, and the 3rd sub-picture element 186 comprises sub-picture element 186a of one the 3rd upside and the sub-picture element 186b of one the 3rd downside.The sub-picture element 182a of first upside, the sub-picture element 184a of second upside and the sub-picture element 186a of the 3rd upside are located at a side of sweep trace 302, and the sub-picture element 182b of first downside, the sub-picture element 184b of second downside and the sub-picture element 186b of the 3rd downside are located at the opposite side of sweep trace 302.The common line 181 of present embodiment comprises one first common line 181a and one second common line 181b; The first common line 181a crosses the sub-picture element 182a of first upside, the sub-picture element 184a of second upside and the sub-picture element 186a of the 3rd upside, and the second common line 181b crosses the sub-picture element 182b of first downside, the sub-picture element 184b of second downside and the sub-picture element 186b of the 3rd downside.In addition; First capacitance adjusting layers 188 is located between sub-picture element 182a of first upside and the sub-picture element 184a of second upside and is located between sub-picture element 182b of first downside and the sub-picture element 184b of second downside, and not overlapping with the first common line 181a, the second common line 181b and sweep trace 302.
In sum; The present invention is provided with first capacitance adjusting layers between the common electrode layer and second data line; Perhaps between common electrode layer and first data line and the 3rd data line, second capacitance adjusting layers is set; Make second coupling capacitance greater than first coupling capacitance and the 3rd coupling capacitance; Therefore the data-signal that has second polarity has the higher coupling effect of common electric voltage generation of the data-signal of first polarity to the common electrode layer, makes the common electric voltage of common electrode layer rough identical with the side-play amount of past second polarity toward first polarity.Common electric voltage can be cancelled each other toward the side-play amount of first polarity and second polarity by this, common electric voltage is unlikely receive the influence of data-signal and produces skew, and then solve the problem of green partially picture.
The above is merely preferred embodiment of the present invention, and all equalizations of doing according to claim of the present invention change and modify, and all should belong to covering scope of the present invention.
Claims (27)
1. display panels; Have a plurality of picture element regions, and respectively this picture element region comprises one first sub-picture element region, one second sub-picture element region and one the 3rd sub-picture element region, this second sub-picture element region is located between this first sub-picture element region and the 3rd sub-picture element region; This first sub-picture element region comprises a red sub-picture element region; This second sub-picture element region comprises a green sub-picture element region, and the 3rd sub-picture element region comprises a blue sub-picture element region, and this display panels comprises:
One first substrate;
One second substrate is oppositely arranged with this first substrate;
One liquid crystal layer is arranged between this first substrate and this second substrate, and this liquid crystal layer has one first specific inductive capacity;
One common electrode layer is located on this first substrate; And
A plurality of image element structures are arranged at respectively respectively in this picture element region, and respectively this image element structure comprises:
One first data line, one second data line and one the 3rd data line are located on this second substrate, and are located at a side of this first sub-picture element region, this second sub-picture element region and the 3rd sub-picture element region respectively;
At least one first sub-picture element is located on this second substrate of this first sub-picture element region, and this first sub-picture element and this first data line electrically connect;
At least one second sub-picture element is located on this second substrate of this second sub-picture element region, and this second sub-picture element and this second data line electrically connect;
At least one the 3rd sub-picture element is located on this second substrate of the 3rd sub-picture element region, and the 3rd sub-picture element and the 3rd data line electrically connect; And
At least one first capacitance adjusting layers is located between this common electrode layer and this second data line, and this first capacitance adjusting layers has one second specific inductive capacity, and this second specific inductive capacity is greater than this first specific inductive capacity.
2. display panels according to claim 1 is characterized in that, respectively this first capacitance adjusting layers of this image element structure is at this liquid crystal layer and respectively between this second data line.
3. display panels according to claim 1 is characterized in that, respectively this first capacitance adjusting layers of this image element structure is between this liquid crystal layer and this common electrode layer.
4. display panels according to claim 1; It is characterized in that; Respectively this image element structure comprises at least two second capacitance adjusting layers in addition, is located at respectively between this common electrode layer and this first data line, and is located between this common electrode layer and the 3rd data line; Respectively this second capacitance adjusting layers has one the 3rd specific inductive capacity, and the 3rd specific inductive capacity is less than this first specific inductive capacity.
5. display panels according to claim 4 is characterized in that, respectively respectively this second capacitance adjusting layers of this image element structure lays respectively between this liquid crystal layer and this first data line, and between liquid crystal layer and the 3rd data line.
6. display panels according to claim 4 is characterized in that, respectively respectively this second capacitance adjusting layers of this image element structure is between this liquid crystal layer and this common electrode layer.
7. display panels according to claim 1 is characterized in that, this first sub-picture element and the 3rd sub-picture element have one first polarity respectively, and this second sub-picture element has one second polarity, and this first polarity is opposite with this second polarity.
8. display panels according to claim 1 is characterized in that, respectively this image element structure comprises in addition:
The one scan line is located on this second substrate and is crossed this first sub-picture element region, this second sub-picture element region and the 3rd sub-picture element region, and electrically connects this first sub-picture element, this second sub-picture element and the 3rd sub-picture element.
9. display panels according to claim 1; It is characterized in that; This at least one first sub-picture element comprises sub-picture element of one first upside and the sub-picture element of one first downside; This at least one second sub-picture element comprises sub-picture element of one second upside and the sub-picture element of one second downside, and this at least one the 3rd sub-picture element comprises sub-picture element of one the 3rd upside and the sub-picture element of one the 3rd downside.
10. display panels according to claim 1; It is characterized in that; Other comprises that a plurality of chromatic filter layers and are between the black-matrix layer of this colorized optical filtering interlayer respectively; These chromatic filter layers are located at respectively this first sub-picture element region, respectively this second sub-picture element region and respectively in the 3rd sub-picture element region, and these chromatic filter layers and this black-matrix layer respectively between this first substrate and this common electrode layer.
11. display panels according to claim 1; It is characterized in that; Other comprises a plurality of chromatic filter layers, is located at respectively this first sub-picture element region, this second sub-picture element region and respectively in the 3rd sub-picture element region respectively respectively, and between this second substrate and this liquid crystal layer.
12. display panels according to claim 11 is characterized in that, other comprises a black-matrix layer, between respectively between this chromatic filter layer, and is located at respectively between this second data line and this liquid crystal layer.
13. display panels according to claim 11 is characterized in that, other comprises a black-matrix layer, be provided with corresponding to these second data lines, and between this first substrate and this common electrode layer.
14. display panels according to claim 1; It is characterized in that; Has one first coupling capacitance between this common electrode layer and this first data line; Have one second coupling capacitance between this common electrode layer and this second data line, and this second coupling capacitance is greater than this first coupling capacitance.
15. display panels; Have a plurality of picture element regions, and respectively this picture element region comprises one first sub-picture element region, one second sub-picture element region and one the 3rd sub-picture element region, this second sub-picture element region is located between this first sub-picture element region and the 3rd sub-picture element region; This first sub-picture element region comprises a red sub-picture element region; This second sub-picture element region comprises a green sub-picture element region, and the 3rd sub-picture element region comprises a blue sub-picture element region, and this display panels comprises:
One first substrate;
One second substrate is oppositely arranged with this first substrate;
One liquid crystal layer is arranged between this first substrate and this second substrate, and this liquid crystal layer has one first specific inductive capacity;
One common electrode layer is located on this first substrate; And
A plurality of image element structures are arranged at respectively respectively in this picture element region, and respectively this image element structure comprises:
One first data line, one second data line and one the 3rd data line are located on this second substrate, and are located at a side of this first sub-picture element region, this second sub-picture element region and the 3rd sub-picture element region respectively;
At least one first sub-picture element is located on this second substrate of this first sub-picture element region, and this first sub-picture element and this first data line electrically connect;
At least one second sub-picture element is located on this second substrate of this second sub-picture element region, and this second sub-picture element and this second data line electrically connect;
At least one the 3rd sub-picture element is located on this second substrate of the 3rd sub-picture element region, and the 3rd sub-picture element and the 3rd data line electrically connect; And
At least two second capacitance adjusting layers; Be located at respectively between this common electrode layer and this first data line; And be located between this common electrode layer and the 3rd data line, respectively this second capacitance adjusting layers has one the 3rd specific inductive capacity respectively, and the 3rd specific inductive capacity is less than this first specific inductive capacity.
16. display panels according to claim 15 is characterized in that, respectively respectively this second capacitance adjusting layers of this image element structure lays respectively between this liquid crystal layer and this first data line and between this liquid crystal layer and the 3rd data line.
17. display panels according to claim 15 is characterized in that, respectively respectively this second capacitance adjusting layers of this image element structure is between this liquid crystal layer and this common electrode layer.
18. display panels according to claim 15; It is characterized in that; Respectively this image element structure comprises at least one first capacitance adjusting layers in addition; Respectively this first capacitance adjusting layers of this image element structure is between this liquid crystal layer and this second data line, and this first capacitance adjusting layers has one second specific inductive capacity, and this second specific inductive capacity is greater than this first specific inductive capacity.
19. display panels according to claim 15; It is characterized in that; Respectively this image element structure comprises at least one first capacitance adjusting layers in addition; Respectively this first capacitance adjusting layers of this image element structure this first capacitance adjusting layers between this liquid crystal layer and this common electrode layer has one second specific inductive capacity, and this second specific inductive capacity is greater than this first specific inductive capacity.
20. display panels according to claim 15 is characterized in that, this first sub-picture element and the 3rd sub-picture element have one first polarity respectively, and this second sub-picture element has one second polarity, and this first polarity is opposite with this second polarity.
21. display panels according to claim 15 is characterized in that, respectively this image element structure comprises in addition:
The one scan line is located on this second substrate and is crossed this first sub-picture element region, this second sub-picture element region and the 3rd sub-picture element region, and electrically connects this first sub-picture element, this second sub-picture element and the 3rd sub-picture element.
22. display panels according to claim 15; It is characterized in that; This at least one first sub-picture element comprises sub-picture element of one first upside and the sub-picture element of one first downside; This at least one second sub-picture element comprises sub-picture element of one second upside and the sub-picture element of one second downside, and this at least one the 3rd sub-picture element comprises sub-picture element of one the 3rd upside and the sub-picture element of one the 3rd downside.
23. display panels according to claim 15; It is characterized in that; Other comprises that a plurality of chromatic filter layers and are between the black-matrix layer of this colorized optical filtering interlayer respectively; These chromatic filter layers are located at respectively this first sub-picture element region, respectively this second sub-picture element region and respectively in the 3rd sub-picture element region, and these chromatic filter layers and this black-matrix layer respectively between this first substrate and this common electrode layer.
24. display panels according to claim 15; It is characterized in that; Respectively this image element structure comprises a plurality of chromatic filter layers in addition, be located at respectively in this first sub-picture element region, this second sub-picture element region and the 3rd sub-picture element region, and between this second substrate and this liquid crystal layer.
25. display panels according to claim 24 is characterized in that, respectively this image element structure comprises a black-matrix layer in addition, between respectively between this chromatic filter layer, and is located at respectively between this second data line and this liquid crystal layer.
26. display panels according to claim 24 is characterized in that, other comprises a black-matrix layer, be provided with corresponding to these second data lines, and between this first substrate and this common electrode layer.
27. display panels according to claim 15; It is characterized in that; Has one first coupling capacitance between this common electrode layer and this first data line; Have one second coupling capacitance between this common electrode layer and this second data line, and this second coupling capacitance is greater than this first coupling capacitance.
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| CN1924677A (en) * | 2005-09-02 | 2007-03-07 | 群康科技(深圳)有限公司 | Liquid crystal displaying device |
| CN100449389C (en) * | 2005-06-29 | 2009-01-07 | 乐金显示有限公司 | LCD device |
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| CN100449389C (en) * | 2005-06-29 | 2009-01-07 | 乐金显示有限公司 | LCD device |
| CN1924677A (en) * | 2005-09-02 | 2007-03-07 | 群康科技(深圳)有限公司 | Liquid crystal displaying device |
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