CN101126869A - Liquid crystal display panel - Google Patents
Liquid crystal display panel Download PDFInfo
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- CN101126869A CN101126869A CNA200610121542XA CN200610121542A CN101126869A CN 101126869 A CN101126869 A CN 101126869A CN A200610121542X A CNA200610121542X A CN A200610121542XA CN 200610121542 A CN200610121542 A CN 200610121542A CN 101126869 A CN101126869 A CN 101126869A
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Abstract
The utility model discloses a liquid crystal display panel, comprising a first substrate, a second substrate, a liquid crystal layer, a plurality of first alignment patterns, a plurality of second alignment patterns and a plurality of third alignment patterns, wherein, the liquid crystal layer is arranged between the first substrate and the second substrate, and a plurality of first pixel areas, a plurality of second pixel areas and a plurality of third pixel areas are arranged on the second substrate. In addition, the first alignment pattern is arranged in the first pixel area along a first direction and a second direction, and an included angle Theta 1 is arranged between the first direction and the second direction. The second alignment pattern is arranged in the second pixel area along a third direction and a fourth direction, and an included angle Theta 2 is arranged between the third direction and the fourth direction. The third alignment pattern is arranged in the third pixel area along a fifth direction and a sixth direction, and an included angle Theta 3 is arranged between the fifth direction and the sixth direction, Theta 2 is equal to or larger than the Theta 1 and less than the Theta 3.
Description
Technical field
The present invention is relevant for a kind of display panel, and is particularly to a kind of multi-zone vertical alignment nematic (Multi-domainVertical Alignment, MVA) display panels.
Background technology
In recent years along with the maturation of photoelectric technology and semiconductor fabrication, driven the flourish of flat-panel screens (FlatPanel Display), wherein LCD is based on advantage such as its low voltage operating, radiationless line scattering, in light weight and volume be little, replaces traditional cathode-ray tube display more gradually and becomes the main flow of display product in recent years.Yet still there is the limited problem in visual angle in LCD.For this reason, following various wide viewing angle technology is suggested one after another: stable twisted nematic liquid crystal (Twisted nematic for example, TN) add view film (WideViewing Film), copline suitching type (In-plane Switching, IPS) LCD, limit suitching type (Fringe Field Switching) LCD and multi-domain vertical alignment liquid crystal displays etc.
Fig. 1 is the diagrammatic cross-section of existing multifield vertical directional liquid crystal display panel.Please refer to Fig. 1, existing multifield vertical directional liquid crystal display panel 100 is made of with liquid crystal layer 130 colored optical filtering substrates 110, thin-film transistor array base-plate (Thin Film Transistor array substrate) 120.Wherein, have a plurality of color filter patterns R10, G10 and B10 and a plurality of orientation thrust (alignment protrusion) 112 on the colored optical filtering substrates 110, near the change of direction of an electric field these orientation thrusts 112 can cause, and then make the liquid crystal molecule of liquid crystal layer 130 be the multiple domain arrangement.
Fig. 2 is the top view of single pixel in the display panels of Fig. 1, and the synoptic diagram that Fig. 3 topples over along a direction for liquid crystal molecule.Please refer to Fig. 2 and Fig. 3, in a pixel of display panels 100, can divide into pixel region 102,104,106 three times according to the allocation position of color filter patterns R10, G10 and B10, and Backlight For Liquid Crystal Display Panels can form ruddiness, green glow and blue light respectively by color filter patterns R10, G10 and B10.In addition, in order to make the penetrance maximum of light, when applying voltage liquid crystal molecule 132 is toppled over, the θ angle shown in Fig. 3 must be 45 degree.This θ angle be liquid crystal molecule 132 projections in long axis direction C1 on the colored optical filtering substrates 110 and the angle between the axis C2, its axis C2 is parallel to the long limit of each time pixel region 102,104,106.Therefore, in order to make the penetrance maximum of light, in display panels 100, the orientation thrust 112 in each time pixel region 102,104,106 is all arranged along first direction A1 and second direction A2.Wherein, the angle of first direction A1 and second direction A2 is 90 degree, and when liquid crystal molecule 132 was toppled over, the angle theta between its long axis direction C1 and the axis C2 was 45 degree.
Yet, when showing middle tone (midtone) picture, because the liquid crystal molecule 132 of liquid crystal layer 130 is in the influence that is subjected to orientation thrust 112 and after the oblique arrangement, for the penetrance of the light of different wave length difference to some extent, and the light that wavelength is shorter, its penetrance are higher.In other words, the penetrance of blue light is greater than the penetrance of green glow, and the penetrance of green glow is greater than the penetrance of ruddiness, it is different so will to cause white light to pass through the intensity of the ruddiness, green glow and the blue light that form behind color filter patterns R10, G10 and the B10, make display panels 100 when showing the middle tone picture, produce the situation of colour cast (color shift), and then influence the display quality of LCD.
Summary of the invention
Purpose of the present invention is providing a kind of display panels exactly, to improve the colour cast problem that LCD is produced when showing the middle tone picture.
Based on above-mentioned and other purposes, the present invention proposes a kind of display panels, and it comprises one first substrate, one second substrate, a liquid crystal layer, a plurality of first alignment pattern, a plurality of second alignment pattern and a plurality of the 3rd alignment pattern.Wherein, the liquid crystal series of strata are disposed between first substrate and second substrate, and definition has a plurality of first time of pixel region, a plurality of second time pixel region and a plurality of pixel region for the third time on second substrate.In addition, first alignment pattern is disposed in the pixel region first time along a first direction and a second direction, and first direction and second direction have an angle theta
1In being disposed at for the second time pixel region, and third direction and four directions are to having an angle theta along a third direction and a four directions for second alignment pattern
2In the 3rd alignment pattern is disposed at for the third time pixel region along one the 5th direction and one the 6th direction, and the 5th direction and the 6th direction have an angle theta
3, and θ
1≤ θ
2＜θ
3
Above-mentioned display panels for example also comprises a plurality of first color filter patterns of being disposed in the pixel region for the first time, be disposed at a plurality of second color filter patterns in the pixel region for the second time, and is disposed at a plurality of the 3rd color filter patterns in the pixel region for the third time.Wherein, the penetrated wave of first color filter patterns is grown up in the wavelength that penetrates of second color filter patterns, and the penetrated wave of second color filter patterns is grown up in the wavelength that penetrates of the 3rd color filter patterns.
In the above-mentioned display panels, first color filter patterns for example is red filter pattern, and second color filter patterns for example is green filter pattern, and the 3rd color filter patterns for example is blue filter pattern.
In the above-mentioned display panels, first alignment pattern for example also along first direction and second direction be disposed at first substrate with respect to second substrate the first time pixel region the zone.Second alignment pattern for example also along third direction and four directions to be disposed at first substrate with respect to second substrate the second time pixel region the zone.The 3rd alignment pattern for example also is disposed at the zone of first substrate with respect to the pixel region for the third time of second substrate along the 5th direction and the 6th direction.
In the above-mentioned display panels, for example also dispose one first transparent electrode layer on first substrate, and for example also dispose one second transparent electrode layer on second substrate, and first, second and third alignment pattern comprises a plurality of thrusts that are disposed on first transparent electrode layer respectively, and is formed at a plurality of slits (slit) in second transparent electrode layer.
In the above-mentioned display panels, for example also dispose one first transparent electrode layer on first substrate, and for example also dispose one second transparent electrode layer on second substrate, and first, second and third alignment pattern comprises a plurality of thrusts that are disposed on second transparent electrode layer respectively, and is formed at a plurality of slits in first transparent electrode layer.
In the above-mentioned display panels, first, second and third alignment pattern for example is a thrust.In addition, the material of first, second and third alignment pattern for example is selected from colorized optical filtering material, transparent feel finish matter and combination thereof.
In the above-mentioned display panels, first, second and third alignment pattern for example is a slit.
In the above-mentioned display panels, θ
1For example be to equal 90 degree.
In the above-mentioned display panels, θ
2For example be between 90 degree～120 degree.
In the above-mentioned display panels, θ
3For example be between 110 degree～130 degree.
In the above-mentioned display panels, first substrate is a thin-film transistor array base-plate for example, and second substrate for example is a colored optical filtering substrates.
Based on above-mentioned, in display panels of the present invention, mainly be by the alignment pattern in first, second and third pixel region is arranged along different directions respectively, improve in the prior art the different colour cast situations that produce of penetrance because of the light of different wave length, and then the display quality of lifting LCD.
For above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, preferred embodiment cited below particularly, and conjunction with figs. is described in detail below.
Description of drawings
Fig. 1 is the diagrammatic cross-section of existing multifield vertical directional liquid crystal display panel.
Figure is the top view of single pixel in the display panels of Fig. 1.
The synoptic diagram that Fig. 3 topples over along a direction for liquid crystal molecule.
Fig. 4 is the top view of single pixel in the display panels of first embodiment of the invention.
Fig. 5 is along the diagrammatic cross-section of I-I ' line among Fig. 4.
Fig. 6 is the diagrammatic cross-section of the another kind of display panels of first embodiment of the invention.
Fig. 7 is the top view of single pixel in the display panels of second embodiment of the invention.
Fig. 8 is along the diagrammatic cross-section of II-II ' line among Fig. 7.
Fig. 9 is the top view of single pixel in the display panels of third embodiment of the invention.
Embodiment
First embodiment
Fig. 4 is the top view of single pixel in the display panels of first embodiment of the invention, and Fig. 5 is along the diagrammatic cross-section of I-I ' line among Fig. 4.Please refer to Fig. 4 and Fig. 5, the display panels 200 of present embodiment comprises one first substrate 210, one second substrate 220, a liquid crystal layer 230, a plurality of first alignment pattern (as thrust 240a), a plurality of second alignment pattern (as thrust 240b) and a plurality of the 3rd alignment pattern (as thrust 240c).Wherein, liquid crystal layer 230 is disposed between first substrate 210 and second substrate 220, and definition has a plurality of first time of pixel region 222a, a plurality of second time pixel region 222b and a plurality of 222c of pixel region for the third time on second substrate 220.In addition, first alignment pattern is disposed in the pixel region 222a first time along a first direction D1 and a second direction D2, and first direction D1 and second direction D2 have an angle theta
1In D4 was disposed at for the second time pixel region 222b, and third direction D3 and four directions had an angle theta to D4 to second alignment pattern along a third direction D3 and a four directions
2In the 3rd alignment pattern is disposed at for the third time pixel region 222c along one the 5th direction D5 and one the 6th direction D6, and the 5th direction D5 and the 6th direction D6 have an angle theta
3, and θ
1＜θ
2＜θ
3
In the above-mentioned display panels 200, first substrate 210 is a thin-film transistor array base-plate for example, and second substrate 220 for example is a colored optical filtering substrates.In addition, for example also dispose on second substrate 220 be positioned at each for the first time pixel region 222a a plurality of first color filter patterns 224a, be positioned at each a plurality of second color filter patterns 224b in pixel 222b district for the second time, and be positioned at respectively a plurality of the 3rd color filter patterns 224c of pixel region 222c for the third time.Wherein, the penetrated wave of the first color filter patterns 224a is grown up in the wavelength that penetrates of the second color filter patterns 224b, and the penetrated wave of the second color filter patterns 224b is grown up and penetrated wavelength 224c in the 3rd color filter patterns.In the present embodiment, the first color filter patterns 224a for example is red filter pattern, and the second color filter patterns 224b for example is green filter pattern, and the 3rd color filter patterns 224c for example is blue filter pattern.
Hold above-mentionedly, for example also dispose one second transparent electrode layer 226 on second substrate 220, it covers first, second and third color filter patterns 224a, 224b, 224c.This second transparent electrode layer 226 for example is to use electrode altogether, its material for example be indium tin oxide (Indium Tin Oxide, ITO), indium-zinc oxide (IndiumZinc Oxide, IZO) or other electrically conducting transparent materials.In addition, the material of thrust 240a, 240b, 240c for example is to be selected from colorized optical filtering material, transparent feel finish matter and combination thereof.In addition, θ
1, θ
2With θ
3The color of neglecting color filter patterns greatly and change.For example, when the first color filter patterns 224a is red filter pattern, θ
1For example be to equal 90 degree.When the second color filter patterns 224b is green filter pattern, θ
2For example be to spend and be less than or equal to 120 greater than 90 to spend, preferred values is 116 degree.When the 3rd color filter patterns 224c is blue filter pattern, θ
3For example be that preferred values is 124 degree between 110 degree～130 degree.
Because first, second is arranged in first, second respectively with the 3rd alignment pattern (as thrust 240a, 240b, 240c) and for the third time in pixel region 222a, 222b, the 222c along different directions, make the arrangement that liquid crystal molecules 232 in the liquid crystal layer 230 produce different dump angle, thus white light penetrate after the liquid crystal layer 230 will first, second with produce different wavelength-Luminance Distribution in pixel region 222a, 222b, the 222c for the third time.In addition, because first, the second and the 3rd color filter patterns 224a, 224b, 224c has different penetrances for the light of different wave length, therefore at appropriate change first, after the orientation of second and third alignment pattern, can be first, second and third time pixel region 222a, 222b, 222c obtains and first, second and third color filter patterns 224a, 224b, the Wavelength distribution that the penetrance of 224c cooperates, and then make white light penetrate first, second with pixel region 222a for the third time, 222b, behind the 222c, produce close first coloured light (as ruddiness) of brightness respectively, second coloured light (as green glow) and the 3rd coloured light (as blue light).Thus, just can improve the color offset phenomenon that display panels 200 is produced when showing the middle tone picture, and then promote display quality.
Fig. 6 is the diagrammatic cross-section of the another kind of display panels of first embodiment of the invention.Please refer to Fig. 6, display panels 200a is similar to display panels 200 shown in Figure 5, it is thrust 240a, 240b, the 240c that is disposed on second transparent electrode layer 226 that its difference is in first, second and third alignment pattern of display panels 200, and first, second and third alignment pattern of display panels 200a is slit 245a, 245b, the 245c that is formed in second transparent electrode layer 226.In other words, in first embodiment, first, second and third alignment pattern can be thrust or slit.
Second embodiment
Fig. 7 is the top view of single pixel in the display panels of second embodiment of the invention, and Fig. 8 is along the diagrammatic cross-section of II-II ' line among Fig. 7.Please refer to Fig. 7 and Fig. 8, the display panels 200b of present embodiment is similar to above-mentioned display panels 200, difference be in first alignment pattern of display panels 200b be along first direction D1 and second direction D2 and the first time that is disposed at second substrate 220 in the pixel region 222a and first substrate 210 with respect to second substrate 220 the first time pixel region 222a the zone in.Second alignment pattern be disposed at second substrate 220 to D4 along third direction D3 and four directions the second time in the pixel region 222b and first substrate 210 with respect to second substrate 220 the second time pixel region 222b the zone in.The 3rd alignment pattern is to be disposed in the 222c of pixel region for the third time of second substrate 220 and in the zone of first substrate 210 with respect to the 222c of pixel region for the third time of second substrate 220 along the 5th direction D5 and the 6th direction D6.
For instance, first alignment pattern for example comprises thrust 240a and slit 245a, and second alignment pattern for example comprises thrust 240b and slit 245b, and the 3rd alignment pattern for example comprises thrust 240c and slit 245c.Wherein, thrust 240a, 240b, 240c are disposed on second transparent electrode layer 226 of second substrate 220, and slit 245a, 245b, 245c are formed in first transparent electrode layer 212 of first substrate 210.In addition, first transparent electrode layer 212 for example is a patterned transparent electrode layer, and it comprises a plurality of pixel electrodes 213.The material of this first transparent electrode layer 212 is similar to the material of second transparent electrode layer 226.
It should be noted that in the present embodiment also thrust 240a, 240b, 240c to be disposed on second transparent electrode layer 212 of first substrate 210, and slit 245a, 245b, 245c are formed in second transparent electrode layer 226 of second substrate 220.In addition, first, second and third alignment pattern also can only comprise the thrust that is disposed on first and second transparent electrode layer 212,226, or is formed at the slit in first and second transparent electrode layer 212,226.
The 3rd embodiment
Fig. 9 is the top view of single pixel in the display panels of third embodiment of the invention.Please refer to Fig. 9, the display panels 200c of present embodiment is similar to the display panels 200 of first embodiment, below only describes at not existing together.In the present embodiment, first direction D1 is identical with third direction D3, and second direction D2 is identical to D4 with the four directions, and θ
1Equal θ
2In other words, the present invention also can only change the orientation of the 3rd alignment pattern (as thrust 240c), improves the color offset phenomenon that display panels is produced when showing the middle tone picture.
In sum, in display panels of the present invention, mainly be orientation difference by the alignment pattern in the homogeneous pixel region not, make the arrangement that the liquid crystal molecule of corresponding each time pixel region produces different dump angle.Thus, when showing the middle tone picture, white light does not penetrate will produce the close different color light of brightness behind the homogeneous pixel region, therefore can improve the phenomenon of colour cast, and then promotes the display quality of LCD.
Though the present invention discloses as above with preferred embodiment; right its is not in order to limit the present invention; any those of ordinary skills without departing from the spirit and scope of the present invention, when can doing a little change and retouching, so protection scope of the present invention is when with being as the criterion that claim was defined.
Claims (16)
1. a display panels comprises;
One first substrate;
One second substrate, definition has a plurality of first time of pixel region, a plurality of second time pixel region and a plurality of pixel region for the third time on this second substrate;
One liquid crystal layer is disposed between this first substrate and this second substrate;
A plurality of first alignment pattern are disposed at those for the first time in the pixel region along a first direction and a second direction, and wherein this first direction and this second direction have an angle theta
1
A plurality of second alignment pattern, to being disposed at those for the second time in the pixel region, wherein this third direction and this four directions are to having an angle theta along a third direction and a four directions
2, and θ
1≤ θ
2And
A plurality of the 3rd alignment pattern are disposed at those for the third time in the pixel region along one the 5th direction and one the 6th direction, and wherein the 5th direction and the 6th direction have an angle theta
3, and θ
2＜θ
3
2. display panels as claimed in claim 1 is characterized in that, also comprises:
A plurality of first color filter patterns are disposed at those for the first time in the pixel region;
A plurality of second color filter patterns are disposed at those for the second time in the pixel region; And
A plurality of the 3rd color filter patterns, be disposed at those for the third time in the pixel region, wherein the penetrated wave of those first color filter patterns is grown up in the wavelength that penetrates of those second color filter patterns, and the penetrated wave of those second color filter patterns is grown up in the wavelength that penetrates of those the 3rd color filter patterns.
3. display panels as claimed in claim 2 is characterized in that, those first color filter patterns comprise red filter pattern, and those second color filter patterns comprise green filter pattern, and those the 3rd color filter patterns comprise blue filter pattern.
4. display panels as claimed in claim 1 is characterized in that:
Those first alignment pattern also comprise along this first direction and this second direction and are disposed at this first substrate those zones of pixel region for the first time with respect to this second substrate;
Those second alignment pattern also comprise along this third direction and this four directions to being disposed at this first substrate those zones of pixel region for the second time with respect to this second substrate; And
Those the 3rd alignment pattern also comprise along the 5th direction and the 6th direction and are disposed at this first substrate those zones of pixel region for the third time with respect to this second substrate.
5. display panels as claimed in claim 4, it is characterized in that, also comprise on this first substrate and dispose one first transparent electrode layer, and also comprise on this second substrate and dispose one second transparent electrode layer, and those first, second and third alignment pattern comprise respectively:
A plurality of thrusts are disposed on this first transparent electrode layer; And
A plurality of slits are formed in this second transparent electrode layer.
6. display panels as claimed in claim 4, it is characterized in that, also comprise on this first substrate and dispose one first transparent electrode layer, and also comprise on this second substrate and dispose one second transparent electrode layer, and those first, second and third alignment pattern comprise respectively:
A plurality of thrusts are disposed on this second transparent electrode layer; And
A plurality of slits are formed in this first transparent electrode layer.
7. display panels as claimed in claim 4 is characterized in that, those first, second and third alignment pattern comprise thrust.
8. display panels as claimed in claim 7 is characterized in that the material of those first, second and third alignment pattern is selected from colorized optical filtering material, transparent feel finish matter and combination thereof.
9. display panels as claimed in claim 4 is characterized in that, those first, second and third alignment pattern comprise slit.
10. display panels as claimed in claim 1 is characterized in that, those first, second and third alignment pattern comprise thrust.
11. display panels as claimed in claim 10 is characterized in that, the material of those first, second and third alignment pattern is selected from colorized optical filtering material, transparent feel finish matter and combination thereof.
12. display panels as claimed in claim 1 is characterized in that, those first, second and third alignment pattern comprise slit.
13. display panels as claimed in claim 1 is characterized in that, θ
1Equal 90 degree.
14. display panels as claimed in claim 1 is characterized in that, θ
2System is between 90 degree～120 degree.
15. display panels as claimed in claim 1 is characterized in that, θ
3System is between 110 degree～130 degree.
16. display panels as claimed in claim 1 is characterized in that, this first substrate is a thin-film transistor array base-plate, and this second substrate is a colored optical filtering substrates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200610121542XA CN100498474C (en) | 2006-08-18 | 2006-08-18 | Liquid crystal display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200610121542XA CN100498474C (en) | 2006-08-18 | 2006-08-18 | Liquid crystal display panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101126869A true CN101126869A (en) | 2008-02-20 |
| CN100498474C CN100498474C (en) | 2009-06-10 |
Family
ID=39094939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200610121542XA Expired - Fee Related CN100498474C (en) | 2006-08-18 | 2006-08-18 | Liquid crystal display panel |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102707518A (en) * | 2012-05-24 | 2012-10-03 | 深圳市华星光电技术有限公司 | Liquid crystal display panel and display device thereof |
| CN104950525A (en) * | 2015-07-29 | 2015-09-30 | 厦门天马微电子有限公司 | Liquid crystal display panel, production method thereof and display device |
| CN110045874A (en) * | 2019-04-28 | 2019-07-23 | 武汉天马微电子有限公司 | A kind of touch-control display panel and touch control display apparatus |
-
2006
- 2006-08-18 CN CNB200610121542XA patent/CN100498474C/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102707518A (en) * | 2012-05-24 | 2012-10-03 | 深圳市华星光电技术有限公司 | Liquid crystal display panel and display device thereof |
| WO2013174011A1 (en) * | 2012-05-24 | 2013-11-28 | 深圳市华星光电技术有限公司 | Liquid crystal display panel and display device employing same |
| CN104950525A (en) * | 2015-07-29 | 2015-09-30 | 厦门天马微电子有限公司 | Liquid crystal display panel, production method thereof and display device |
| US9946115B2 (en) | 2015-07-29 | 2018-04-17 | Xiamen Tianma Micro-Electronics Co., Ltd. | Liquid crystal display panel and method for manufacturing the same, display device |
| CN110045874A (en) * | 2019-04-28 | 2019-07-23 | 武汉天马微电子有限公司 | A kind of touch-control display panel and touch control display apparatus |
| CN110045874B (en) * | 2019-04-28 | 2022-08-05 | 武汉天马微电子有限公司 | Touch display panel and touch display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100498474C (en) | 2009-06-10 |
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