CN202171714U - Pixel unit of liquid crystal display device - Google Patents
Pixel unit of liquid crystal display device Download PDFInfo
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- CN202171714U CN202171714U CN2011203140941U CN201120314094U CN202171714U CN 202171714 U CN202171714 U CN 202171714U CN 2011203140941 U CN2011203140941 U CN 2011203140941U CN 201120314094 U CN201120314094 U CN 201120314094U CN 202171714 U CN202171714 U CN 202171714U
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- crystal indicator
- narrow slit
- pixel cell
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Abstract
The utility model provides a pixel unit of a liquid crystal display device comprising a substrate and a transparent electrode layer. The transparent electrode layer is disposed on the substrate, and the transparent electrode layer is provided with a plurality of slit structures. With a reference to an axis, a central part of each of the slit structures is deflected towards the slit configuration direction. Two ends of each of the slit structures are respectively provided with a bending part, and with a reference to the central part, the bending parts are bended in the same direction, besides, the bending direction is the same as the slit configuration direction.
Description
Technical field
The utility model relates to a kind of liquid crystal indicator, and particularly relevant for the structural design of transparent electrode layer in a kind of liquid crystal indicator.
Background technology
Along with the development of digital display technique, LCD has become the mainstream applications of device for display of message, for example mobile phone screen, graphoscope, LCD TV etc. at present.Early stage LCD still has many bottlenecks technically, for example shows switch speed, brightness, contrast and visible angle etc.In order to improve the display effect of LCD; Industry provides the LCD design architecture of various different structures; Edge electrical field switching type (Fringe Field Switching for example; FFS), the plane suitching type (In Panel Switching, IPS), (Plane-to-Line Switching PLS) waits and to have the display framework than wide viewing angle the upper thread suitching type.
With edge electrical field switching type (FFS) liquid crystal indicator is example; At a distance from an insulation course, when applying electric field, can produce fringe field between pixel electrode and the common electrode between pixel electrode in the FFS display device and the common electrode; And then liquid crystal molecule is horizontally rotated, open light valve and light is penetrated.
In present known FFS liquid crystal indicator, has the narrow slit structure design on the pixel electrode usually, like ITO Slit.Known more common narrow slit structure is strip (Bar shape) design at present, that is to say that narrow slit structure is the rectangular slot of strip.When applying electric field, at the place, two ends of strip narrow slit structure, liquid crystal molecule receives contrary influence can contraryly rotate liquid crystal molecule, causes narrow slit structure edges at two ends place to produce dark line phenomenon, causes the whole transmittance of panel to descend.
The utility model content
In order to address the above problem; The utility model proposes the design of a kind of liquid crystal indicator and transparent electrode layer thereof, and wherein transparent electrode layer is provided with special narrow slit structure, and the edge of its narrow slit structure is similar beak shape (pelican shape) haply; Can reduce the dark line that contrary fringe field caused by this and improve answer speed; Above-mentioned narrow slit structure can be arranged on pixel electrode, common electrode or other has on the electrode layer of slit pattern, uses corresponding different displays driving framework, for example edge electrical field switching type (Fringe Field Switching; FFS) or the upper thread suitching type (Plane-to-Line Switching, PLS) or the like.
Therefore, this novel aspect is that a kind of liquid crystal indicator is being provided, and it comprises substrate and transparent electrode layer.Transparent electrode layer is arranged on this substrate; Offer a plurality of narrow slit structures on the transparent electrode layer; Wherein a central part of each these narrow slit structure is compared an axis toward the deflection of slit configuration direction; The two ends of each these narrow slit structure have a bending respectively partly, and wherein this bending is partly compared this central part toward an overbending direction, and this overbending direction and slit configuration direction are equidirectional.
According to this novel embodiment, axis is vertical axis or horizontal axis.
According to this novel embodiment, slit configuration direction is CW or counter clockwise direction.
According to this novel embodiment, bending is a beak shape partly.
According to this novel embodiment; Wherein each these narrow slit structure has one first side and one second side; Each these narrow slit structure is to be changeed toward this second lateral deviation by this first side along this slit configuration direction; On this first side, should bend the edge partly and edge clamping one first angle of this central part, on this second side, should bend the edge partly and edge clamping one second angle of this central part, and this first angle be greater than this second angle.
According to this novel embodiment, this transparent electrode layer that wherein has these narrow slit structures is to be provided with as a pixel electrode.In this embodiment, liquid crystal indicator more comprises a common electrode and is arranged on this substrate, and this liquid crystal indicator is an one edge electric field suitching type liquid crystal indicator.
According to this novel embodiment, this transparent electrode layer that wherein has these narrow slit structures is to be provided with as a common electrode.In this embodiment, liquid crystal indicator more comprises a pixel electrode and is arranged on this substrate, and this liquid crystal indicator is a upper thread suitching type liquid crystal indicator.
According to this novel embodiment; Wherein each these narrow slit structure is shown a central point greatly and is divided into one first paragraph and one second paragraph; This narrow slit structure wherein this central part and this bending of a paragraph partly is to compare this axis toward the deflection of one first slit configuration direction; This central part of this another paragraph of narrow slit structure and this bending partly are to compare this axis toward the deflection of one second slit configuration direction, and wherein this first paragraph and this second paragraph are the mirror image symmetry.
Description of drawings
Originally novel above-mentioned and other purpose, characteristic, advantage and embodiment can be more obviously understandable in order to let, and appended graphic explanation is following:
Fig. 1 illustrates the schematic top plan view according to its pixel cell of liquid crystal indicator among the embodiment of the utility model;
Fig. 2 illustrates the schematic top plan view according to narrow slit structure on the transparent electrode layer among the embodiment of the utility model;
Fig. 3 illustrates the local enlarged diagram of narrow slit structure in first paragraph;
Fig. 4 is illustrated in the diagrammatic cross-section that transparent electrode layer above-mentioned among the embodiment is used for the liquid crystal indicator of edge electrical field switching type; And
Fig. 5 is illustrated in the diagrammatic cross-section that transparent electrode layer above-mentioned among the embodiment is used for the liquid crystal indicator of upper thread suitching type.
Embodiment
In sum; The utility model proposes the design of a kind of liquid crystal indicator and transparent electrode layer thereof, and wherein transparent electrode layer is provided with special narrow slit structure, and the edge of its narrow slit structure is similar beak shape (pelican shape) haply; Can reduce the dark line that contrary fringe field caused by this and improve answer speed; Above-mentioned narrow slit structure can be arranged on pixel electrode, common electrode or other has on the electrode layer of slit pattern, uses corresponding different displays driving framework, for example edge electrical field switching type (Fringe Field Switching; FFS) or the upper thread suitching type (Plane-to-Line Switching, PLS) or the like.
See also Fig. 1, it illustrates the schematic top plan view according to the pixel cell 100 of liquid crystal indicator among the embodiment of the utility model.The pixel cell 100 of liquid crystal indicator has comprised substrate 120 and transparent electrode layer 140.In the practical application, transparent electrode layer 140 can be indium tin oxide (Indium Tin Oxide, ITO) formed conductive membrane.Transparent electrode layer 140 is arranged on the substrate 120, offers a plurality of narrow slit structures 142 on the transparent electrode layer 140.In this embodiment, narrow slit structure 142 can have two paragraphs of mirror image.As shown in Figure 1, can comprise the required frameworks of other display driver circuit such as sweep trace, data line, transistor in addition in the pixel cell of liquid crystal indicator 100, its people by known skill is known, and does not give unnecessary details in addition at this.
Please consult Fig. 2 in the lump, it illustrates the schematic top plan view according to narrow slit structure 142 on the transparent electrode layer 140 among the embodiment of the utility model.
As shown in Figure 2, these narrow slit structures 142 are shown the first paragraph S1 and the second paragraph S2 of below that central point is divided into the top greatly, in this embodiment, narrow slit structure 142 axially be about vertical direction, but the utility model is not as limit.
As shown in Figure 2; In this embodiment; The first paragraph S1 of narrow slit structure 142 compares axis X toward first slit configuration direction α, 1 deflection, and in this example, paragraph S1 is that the axis X of comparing vertical direction deflects to slit configuration axle RX toward anticlockwise first slit configuration direction α 1.
On the other hand; As shown in Figure 2; The second paragraph S2 of this narrow slit structure opposite side compares axis Y toward second slit configuration direction α, 2 deflections; In this example, the paragraph S2 of narrow slit structure 142 is that the axis Y that compares vertical direction deflects to slit configuration axle RY toward clockwise second slit configuration direction α 2, and wherein the first paragraph S1 and the second paragraph S2 are the mirror image symmetry.
In this embodiment, narrow slit structure 142 axially be about vertical direction, but the utility model is not as limit.In another embodiment, narrow slit structure 142 axially also can be the left and right horizontal direction, then first paragraph and second paragraph are positioned at the left and right sides, are the axis of horizontal direction (not illustrating) and the axis X of above-mentioned vertical direction is also replaceable.
The first paragraph S1 and the second paragraph S2 that can have the mirror image symmetry because of narrow slit structure 142; Below mainly do further detailed description with the first paragraph S1 of Fig. 2 top narrow slit structure 142, the people of known skill can learn the whole complete structure of narrow slit structure 142 easily.
Please consult Fig. 3 in the lump, it illustrates the local enlarged diagram of narrow slit structure 142 in the first paragraph S1.The two ends of narrow slit structure 142 have the bending design to reduce dark line in the utility model.As shown in Figure 3, narrow slit structure 142 mainly can be the central part CE and the part of the bending on the end points of the two ends BE of slit main body.As shown in the figure; The central part CE of narrow slit structure 142 compares axis X toward counterclockwise first slit configuration direction α 1 deflection (can in the lump with reference to figure 2); That is to say that narrow slit structure 142 extends along slit configuration axle RX; When extending to the pixel edge part, the further past same direction (counterclockwise) with slit configuration direction α 1 of narrow slit structure 142 further bends, and then formation bends partly BE.
That is to say that bending partly BE further bends along the central part CE that an overbending direction α 3 compares narrow slit structure 142.And; Bending partly overbending direction α 3 and first slit configuration direction α 1 of BE is an equidirectional, forms forward bending, in this embodiment; The bending partly overbending direction α 3 of BE is all counter clockwise direction with first slit configuration direction α 1, but the utility model this does not exceed.In another embodiment, overbending direction and slit configuration direction then must be all CW.
As shown in Figure 3, in this embodiment, the bending partly shaped design of BE is a beak shape (pelican shape) haply.
In the practical application, for make bending partly BE have the best dark line effect of elimination, in this embodiment, can further have different turning angle designs when getting into kink part BE on two sides about narrow slit structure 142.Narrow slit structure 142 has the first side E1 (in this example, being the right side) and the second side E2 (in this example, being the left side).Narrow slit structure is by the direction deflection of the first side E1 toward the second side E2 along slit configuration direction.As shown in Figure 3; The first side E1 goes up the edge of bending part BE and the edge clamping first angle θ 1 of central part CE; Go up the edge of bending part BE and the edge clamping second angle θ 2 of central part in the second side E2, wherein the first angle θ 1 on the first side E1 is greater than the second angle θ 2 on the second side E2.
In sum; The utility model proposes the design of a kind of liquid crystal indicator and transparent electrode layer thereof, and wherein transparent electrode layer is provided with special narrow slit structure, and the edge of its narrow slit structure is similar beak shape (pelican shape) haply; Can reduce the dark line that contrary fringe field caused by this and improve answer speed; Above-mentioned narrow slit structure can be arranged on pixel electrode, common electrode or other has on the electrode layer of slit pattern, uses corresponding different displays driving framework, for example edge electrical field switching type (Fringe Field Switching; FFS) or the upper thread suitching type (Plane-to-Line Switching, PLS) or the like.
Please consult Fig. 4 in the lump, Fig. 4 is illustrated in the diagrammatic cross-section that transparent electrode layer above-mentioned among the embodiment 140 is used for the liquid crystal indicator 102 of edge electrical field switching type.As shown in Figure 4; In the liquid crystal indicator 102 of edge electrical field switching type (FFS); Transparent electrode layer 140 is as pixel electrode (pixel electrode), and the liquid crystal indicator 102 of edge electrical field switching type comprises common electrode 130 in addition, and common electrode 130 is arranged on the substrate 120.
On the other hand, please consult Fig. 5 in the lump, Fig. 5 is illustrated in the diagrammatic cross-section that transparent electrode layer above-mentioned among the embodiment 140 is used for the liquid crystal indicator 104 of upper thread suitching type.As shown in Figure 4; In the liquid crystal indicator 104 of upper thread suitching type (PLS); Transparent electrode layer 140 is as common electrode (common voltage electrode; Vcom), and the liquid crystal indicator 104 of edge electrical field switching type also comprises pixel electrode 125, and pixel electrode 125 is arranged on the substrate 120.
As stated; The design of the transparent electrode layer 140 of the utility model and narrow slit structure thereof is applicable to have on the electrode layer of slit at common electrode, pixel electrode or other; Be used for improving the dark line situation in the display frame, make the Luminance Distribution of display panel more even.
Though this is novel with embodiment openly as above; Right its is not novel in order to limit this, anyly has the knack of this art, in not breaking away from this novel spirit and scope; When doing various changes and retouching, therefore this novel protection domain is as the criterion when looking aforesaid the claim person of defining.
Claims (10)
1. the pixel cell of a liquid crystal indicator is characterized in that, comprises:
One substrate; And
One transparent electrode layer; Be arranged on this substrate; Offer a plurality of narrow slit structures on this transparent electrode layer, wherein a central part of each these narrow slit structure is compared an axis toward the deflection of slit configuration direction, and the two ends of each these narrow slit structure have a bending respectively partly; Wherein this bending is partly compared this central part toward overbending direction bending, and this overbending direction and this slit configuration direction are equidirectional.
2. the pixel cell of liquid crystal indicator as claimed in claim 1 is characterized in that, this axis is a vertical axis or a horizontal axis.
3. the pixel cell of liquid crystal indicator as claimed in claim 1 is characterized in that, this slit configuration direction is a CW or a counter clockwise direction.
4. the pixel cell of liquid crystal indicator as claimed in claim 1 is characterized in that, this bending is a beak shape partly.
5. the pixel cell of liquid crystal indicator as claimed in claim 1; It is characterized in that; Each these narrow slit structure has one first side and one second side, and each these narrow slit structure is to be changeed toward this second lateral deviation by this first side along this slit configuration direction, on this first side, should bend the edge partly and edge clamping one first angle of this central part; On this second side, should bend the edge partly and edge clamping one second angle of this central part, and this first angle is greater than this second angle.
6. the pixel cell of liquid crystal indicator as claimed in claim 1 is characterized in that, this transparent electrode layer with these narrow slit structures is to be provided with as a pixel electrode.
7. the pixel cell of liquid crystal indicator as claimed in claim 6 is characterized in that, also comprise a common electrode and be arranged on this substrate, and this liquid crystal indicator is an one edge electric field suitching type liquid crystal indicator.
8. the pixel cell of liquid crystal indicator as claimed in claim 1 is characterized in that, this transparent electrode layer with these narrow slit structures is to be provided with as a common electrode.
9. the pixel cell of liquid crystal indicator as claimed in claim 8 is characterized in that, also comprises a pixel electrode and is arranged on this substrate, and this liquid crystal indicator is a upper thread suitching type liquid crystal indicator.
10. the pixel cell of liquid crystal indicator as claimed in claim 1; It is characterized in that; Each these narrow slit structure is shown a central point greatly and is divided into one first paragraph and one second paragraph; This narrow slit structure wherein this central part and this bending of a paragraph partly is to compare this axis toward the deflection of one first slit configuration direction; This central part of this another paragraph of narrow slit structure and this bending partly are to compare this axis toward the deflection of one second slit configuration direction, and wherein this first paragraph and this second paragraph are the mirror image symmetry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203140941U CN202171714U (en) | 2011-08-24 | 2011-08-24 | Pixel unit of liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203140941U CN202171714U (en) | 2011-08-24 | 2011-08-24 | Pixel unit of liquid crystal display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202171714U true CN202171714U (en) | 2012-03-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203140941U Expired - Fee Related CN202171714U (en) | 2011-08-24 | 2011-08-24 | Pixel unit of liquid crystal display device |
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| Country | Link |
|---|---|
| CN (1) | CN202171714U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104880866A (en) * | 2015-05-12 | 2015-09-02 | 深圳市华星光电技术有限公司 | Display panel and thin film transistor array substrate |
| CN108287637A (en) * | 2014-05-16 | 2018-07-17 | 群创光电股份有限公司 | Touch-control display panel |
-
2011
- 2011-08-24 CN CN2011203140941U patent/CN202171714U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108287637A (en) * | 2014-05-16 | 2018-07-17 | 群创光电股份有限公司 | Touch-control display panel |
| CN104880866A (en) * | 2015-05-12 | 2015-09-02 | 深圳市华星光电技术有限公司 | Display panel and thin film transistor array substrate |
| CN104880866B (en) * | 2015-05-12 | 2018-02-27 | 深圳市华星光电技术有限公司 | Display panel and thin-film transistor array base-plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120321 Termination date: 20170824 |