CN203299490U - Color film substrate and display device - Google Patents
Color film substrate and display device Download PDFInfo
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- CN203299490U CN203299490U CN2013203029040U CN201320302904U CN203299490U CN 203299490 U CN203299490 U CN 203299490U CN 2013203029040 U CN2013203029040 U CN 2013203029040U CN 201320302904 U CN201320302904 U CN 201320302904U CN 203299490 U CN203299490 U CN 203299490U
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Abstract
The utility model discloses a color film substrate. The color film substrate comprises a substrate body. Black matrixes and colored pixels are arranged on the substrate body. A transparent conducting layer is arranged above the black matrixes and the colored pixels. The transparent conducting layer comprises a plurality of first bar patterns in the first moving direction, and the first bar patterns are located over the black matrixes at intervals. The utility model further discloses a display device which comprises an array substrate and the color film substrate. By the adoption of the color film substrate and the display device, the phenomena of the light leakage and the poor ghost shadow at the edges of the pixels can be effectively avoided.
Description
Technical field
The utility model relates to the display technique field, relates in particular to a kind of color film (Color Filter, CF) substrate and display device.
Background technology
In liquid crystal indicator, realize the demonstration of coloured image, the reduction of reflectivity, the adjustment of contrast and the purposes such as control of spectral signature with the CF substrate widely.At present at Thin Film Transistor-LCD (Thin Film Transistor-Liquid Crystal Display, TFT-LCD) in industry, whether inboard according to the CF substrate (i.e. a side of close liquid crystal layer) is coated with transparency conducting layer and the CF substrate can be divided into two classes, the inboard integral body of one class CF substrate is coated with transparency conducting layer, and another kind of CF substrate is interior without transparency conducting layer.Transparency conducting layer in last class CF substrate is as driving liquid crystal (Liquid Crystal, LC) public electrode of molecule deflection, be mainly used in twisted-nematic (Twisted Nematic, TN) the TFT-LCD product of electric field driven pattern between the box such as type, vertical orientation (Vertical Alignment, VA) type; A rear class is mainly used in the TFT-LCD product of the TFT face internal electric field drive patterns such as copline switching (In-Plane Switching, IPS) type, senior super Wei Chang conversion (Advanced super Dimension Switch, ADS) type.
Wherein, the electric field that the electric field that the ADS type produces by gap electrode edge in same plane and gap electrode layer and plate electrode interlayer produce forms multi-dimensional electric field, make in liquid crystal cell between gap electrode, directly over electrode, all aligned liquid-crystal molecules can both produce rotation, thereby improved the liquid crystal work efficiency and increased light transmission efficiency.A senior super dimension switch technology can improve the picture quality of TFT-LCD product, has high resolving power, high permeability, low-power consumption, wide visual angle, high aperture, low aberration, without advantages such as water of compaction ripples (Push Mura).
There are the two kinds of bad phenomenon that can't repair in existing TFT-LCD product: the first is to exceed standard due to array base palte and CF substrate contraposition skew, causes colored pixels edge light leak; The second, due to the various factors such as pattern for transparent conductive layer (Pattern) skew on sealed plastic box pollution, LC heated denaturalization and array base palte, causes colored pixels edge liquid crystal molecule response delay, produces ghost while causing Picture switch bad.In case above-mentioned two kinds badly occur in volume production, lose often greatlyr, and can't repair.
The utility model content
In view of this, fundamental purpose of the present utility model is to provide a kind of CF substrate and display device, can effectively avoid the light leak at colored pixels edge and ghost bad.
For achieving the above object, the technical solution of the utility model is achieved in that
The utility model provides a kind of CF substrate, and described CF substrate comprises underlay substrate, is provided with black matrix" and colored pixels on described underlay substrate; Be provided with transparency conducting layer above described black matrix" and described colored pixels, described transparency conducting layer comprises: many first the trend the first bar patens, and described the first bar shaped pattern spacing ground be positioned at described black matrix" directly over.
In such scheme, described transparency conducting layer also comprises: the first third edge pattern of the second trend that is connected with described the first bar paten, described the first bar paten and described the first third edge pattern intersect, and described the first third edge pattern be positioned at described black matrix" directly over.
In such scheme, also be provided with flatness layer between described black matrix" and described colored pixels and described transparency conducting layer.
In such scheme, the material of described transparency conducting layer is tin indium oxide (Indium Tin Oxide, ITO) or indium zinc oxide (Indium Zinc Oxide, IZO).
In such scheme, described underlay substrate is glass substrate, quartz base plate or plastic base.
In such scheme, when described CF substrate is IPS type or ADS type, the width of described the first bar paten less than over against the width of described black matrix".
In such scheme, when described CF substrate is TN type or VA type, described transparency conducting layer also comprises: many compartment of terrains are positioned at the second bar paten of the first trend directly over described colored pixels, and the second third edge pattern that is positioned at the trend of second directly over described black matrix", and described the second bar paten and described the second third edge pattern intersect.
In such scheme, the width of described the first bar paten be over against described black matrix" width 1/3rd; And/or, the width of the slit that described the first bar paten and adjacent described the second bar paten form be over against the sixth of described black matrix" width; And/or, the width that is positioned at described the second bar paten directly over described colored pixels and described black matrix" overlapping region for over against the sixth of described black matrix" width.
The utility model also provides a kind of display device, and described display device comprises array base palte and above-mentioned CF substrate.
A kind of CF substrate and display device that the utility model provides, wherein, the CF substrate comprises underlay substrate, be provided with black matrix" and colored pixels on underlay substrate, be provided with transparency conducting layer above black matrix" and colored pixels, transparency conducting layer comprises: many first the trend the first bar patens, and the first bar shaped pattern spacing ground be positioned at black matrix" directly over; When the display device product in a single day light leak and ghost occurs when bad, can be by applying simply the mode of elargol, electrode conduction with the CF substrate edges of the formed single panel of cutting substrate (Single Panel) and array base palte reservation, then apply higher voltage drives by the LC molecule to black matrix area, make this regional LC molecule be in upright light tight state, so, can effectively avoid the light leak at colored pixels edge and ghost bad.
In addition, also be provided with flatness layer between black matrix" and colored pixels and transparency conducting layer, flatness layer can be paved the inboard of black matrix" and colored pixels whole, so, has effectively improved display effect.
Description of drawings
Fig. 1 a is the vertical view of CF board structure of existing IPS type or ADS type and the sectional view that A-A ' locates;
Fig. 1 b is the vertical view of CF board structure of the utility model embodiment one IPS type or ADS type and the sectional view that A-A ' locates;
Fig. 2 a is the vertical view of CF board structure of existing TN type or VA type and the sectional view that A-A ' locates;
Fig. 2 b is the vertical view of CF board structure of the utility model embodiment two TN types or VA type and the sectional view that A-A ' locates;
Fig. 3 is the size schematic diagram of the formed slit width of CF substrate of the utility model embodiment two TN types or VA type.
Description of reference numerals:
The 11--underlay substrate; The 12--black matrix"; The 13--colored pixels; The 14--flatness layer; The 15--transparency conducting layer; 16--the first bar paten; 17--the first third edge pattern; 18--the second bar paten; 19--the second third edge pattern.
Embodiment
The CF substrate that the utility model provides, this CF substrate comprises underlay substrate, is provided with black matrix" and colored pixels on described underlay substrate; Be provided with transparency conducting layer above described black matrix" and described colored pixels, described transparency conducting layer comprises: many first the trend the first bar patens, and described the first bar shaped pattern spacing ground be positioned at described black matrix" directly over.
Wherein, the material of described transparency conducting layer can be ITO or IZO.
Described underlay substrate can be the transparency carriers such as glass substrate, quartz base plate or plastic base.
Also be provided with flatness layer between described black matrix" and described colored pixels and described transparency conducting layer.
Described transparency conducting layer also comprises: the first third edge pattern of the second trend that is connected with described the first bar paten, described the first bar paten and described the first third edge pattern intersect, described the first third edge pattern be positioned at described black matrix" directly over.
When described CF substrate is IPS type or ADS type, the width of described the first bar paten less than over against the width of described black matrix".
When described CF substrate is TN type or VA type, described transparency conducting layer also comprises: the second third edge pattern that many compartment of terrains are positioned at the second bar paten of the trend of first directly over described colored pixels and are positioned at the second trend directly over described black matrix", and described the second bar paten and described the second third edge pattern intersect.
The width of described the first bar paten be over against described black matrix" width 1/3rd; And/or, the width of the slit that described the first bar paten and adjacent described the second bar paten form be over against the sixth of described black matrix" width; And/or, the width that is positioned at described the second bar paten directly over described colored pixels and described black matrix" overlapping region for over against the sixth of described black matrix" width.
Below in conjunction with the drawings and specific embodiments, the technical solution of the utility model is further elaborated.
Embodiment one
Fig. 1 a is the vertical view of CF board structure of existing IPS type or ADS type and the sectional view that A-A ' locates, as shown in Figure 1a, the CF substrate comprises underlay substrate 11, be provided with black matrix" 12 and colored pixels 13 on underlay substrate 11, black matrix" 12 has light-proofness, the position of colored pixels 13 on underlay substrate 11 determined in its open area, and makes the size uniform of colored pixels 13 consistent.Colored pixels 13 can be divided into red (R) layer, green (G) layer and blue (B) layer at least according to color, and corresponding, black matrix" 12 separates R layer, G layer and B layer respectively regularly, and purpose is the LC cluttered area of occluded pixels electrode outside.Fig. 1 b is the vertical view of CF board structure of the utility model embodiment one IPS or ADS type and the sectional view that A-A ' locates, compare with the CF substrate shown in Fig. 1 a, as shown in Figure 1 b, the CF substrate that the present embodiment provides, be coated with flatness layer 14 above black matrix" 12 and colored pixels 13, the effect of flatness layer 14 be the inboard of black matrix" 12 and colored pixels 13 is paved whole, to improve yields and the display effect of product.And, also being provided with transparency conducting layer 15 on flatness layer 14, the pattern of transparency conducting layer 15 is the slit-shaped pattern (Slit Pattern) by a composition technique formation; Transparency conducting layer 15 comprises: the first bar paten 16 of many first trends and the second the first third edge pattern 17, the first bar patens 16 that move towards that are connected with the first bar paten 16 and the first third edge pattern 17 intersect; The first bar paten 16 compartment of terrains be positioned at black matrix" 12 directly over, the first third edge pattern 17 be positioned at described black matrix" directly over, in general, the width of the first bar paten 16 less than over against the width of black matrix" 12, disturb the electric field of colored pixels with the electric field that prevents transparency conducting layer.
Wherein, the flow process of a described composition technique can comprise: carry out successively the sputter transparency conducting layer, apply the operations such as photoresist, exposure, development, transparency conducting layer etching, photoresist lift off.
Embodiment two
Fig. 2 a is the vertical view of CF board structure of existing TN type or VA type and the sectional view that A-A ' locates, and as shown in Figure 2 a, the CF substrate comprises underlay substrate 11, is provided with black matrix" 12 and colored pixels 13 on underlay substrate 11.Be provided with transparency conducting layer 15 (need not to carry out patterned process this moment, transparency conducting layer covers whole substrate) above black matrix" 12 and colored pixels 13.Fig. 2 b is the vertical view of CF board structure of the utility model embodiment two TN or VA type and the sectional view that A-A ' locates, compare with the CF substrate shown in Fig. 2 a, as shown in Figure 2 b, the CF substrate that the present embodiment provides, be coated with flatness layer 14 above black matrix" 12 and colored pixels 13, be provided with transparency conducting layer 15 on flatness layer 14, the pattern of transparency conducting layer 15 is the Slit Pattern by a composition technique formation; Transparency conducting layer 15 comprises: the first bar patens 16 of many first trends, and the first third edge pattern 17, the first bar patens 16 of the second trend that is connected with the first bar paten 16 and the first third edge pattern 17 intersect; The first bar paten 16 compartment of terrains be positioned at black matrix" 12 directly over, the first third edge pattern 17 be positioned at black matrix" 12 directly over.Transparency conducting layer 15 also comprises: many compartment of terrains are positioned at the second bar paten 18 of the first trend directly over colored pixels 13, and the second third edge pattern 19, the second bar patens 18 and the second third edge pattern 19 that are positioned at the second trend directly over black matrix" 12 intersect.
Wherein, the width of the first bar paten 16 be over against black matrix" 12 width 1/3rd; And/or, the width of the slit that the first bar paten 16 and adjacent the second bar paten 18 form be over against the sixth of black matrix" 12 width; And/or, the width that is positioned at the second bar paten 19 directly over colored pixels 13 and black matrix" 12 overlapping regions for over against the sixth of black matrix" 12 width.Particularly, as shown in Figure 3, the width of supposing black matrix" 12 is 6M, the width of the first bar paten 16 directly over black matrix" 12 is 2M, the first bar paten 16 is 1M with the width of the slit that adjacent the second bar paten 18 forms, the width that is positioned at the second bar paten 18 directly over colored pixels 13 and black matrix" 12 overlapping regions is 1M, in case leak-stopping light.
For clearer demonstration the utility model, the transparency conducting layer 15 in Fig. 1 b, Fig. 2 a and Fig. 2 b is all used
Represent, in actual applications, they are all transparent.
When the bad phenomenon of light leak or ghost appears in product, with the electrode conduction of the CF substrate edges of Single Panel and array base palte reservation, the mode of conducting can adopt between the electrode of the CF of Single Panel substrate edges and array base palte reservation and apply elargol;
After applying elargol, on the electrode that array base palte is reserved, the voltage signal of inverted status will pass through the CF substrate, be applied on the LC molecule of black matrix area, the voltage signal of described inverted status is a high voltage drive signal for the LC molecule, described high voltage drive signal can make the LC molecule of black matrix area be in upright light tight state, thereby effectively repairs light leak and ghost is bad; Described high-tension scope definition is as follows:
If colored pixels is ± 5V that described high voltage is set to ± 5V and reversal of poles, keeps identical the getting final product of polarity with the colored pixels district for some inverted versions, ceiling voltage;
If colored pixels is the frame inverted versions, ceiling voltage is ± 5V that described high voltage is set to ± 5V and reversal of poles, keeps opposite the getting final product of polarity with the colored pixels district.
Therefore, when the polarity in the high voltage that applies and colored pixels district was opposite, the voltage difference between them reached 10V.In general, can the high voltage that apply is consistent with the magnitude of voltage in colored pixels zone, and need not to arrange in addition higher magnitude of voltage, the high-voltage value that specifically applies can arrange according to the actual voltage value of different product with reference to its colored pixels.
Can find out from top description: apply scheme of the present utility model, to increasing craft precision, box technique aligning accuracy and lifting yields all being had larger meaning.
Based on above-mentioned CF substrate, the utility model also provides a kind of display device, and described display comprises array base palte and CF substrate; Described CF substrate comprises underlay substrate, is provided with black matrix" and colored pixels on described underlay substrate; Be provided with transparency conducting layer above described black matrix" and described colored pixels, described transparency conducting layer comprises: many first the trend the first bar patens, and described the first bar shaped pattern spacing ground be positioned at described black matrix" directly over.
Wherein, described transparency conducting layer also comprises: the first third edge pattern of the second trend that is connected with described the first bar paten, described the first bar paten and described the first third edge pattern intersect, and described the first third edge pattern be positioned at described black matrix" directly over.
Also be provided with flatness layer between described black matrix" and described colored pixels and described transparency conducting layer.
The material of described transparency conducting layer can be ITO or IZO.
Described underlay substrate can be the transparency carriers such as glass substrate, quartz base plate or plastic base.
When described CF substrate is IPS type or ADS type, the width of described the first bar paten less than over against the width of described black matrix".
When described CF substrate is TN type or VA type, described transparency conducting layer also comprises: the second third edge pattern that many compartment of terrains are positioned at the second bar paten of the trend of first directly over described colored pixels and are positioned at the second trend directly over described black matrix", and described the second bar paten and described the second third edge pattern intersect.
The width of described the first bar paten be over against described black matrix" width 1/3rd; And/or, the width of the slit that described the first bar paten and adjacent described the second bar paten form be over against the sixth of described black matrix" width; And/or, the width that is positioned at described the second bar paten directly over described colored pixels and described black matrix" overlapping region for over against the sixth of described black matrix" width.
Wherein, need to prove, the display device that the embodiment of the present invention provides, it can be: any product or parts with Presentation Function such as liquid crystal panel, mobile phone, panel computer, televisor, display, notebook computer, digital album (digital photo frame), navigating instrument.
The above; it is only preferred embodiments of the present utility model; but protection domain of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the disclosed technical scope of the utility model; can expect easily changing or replacing, within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of described claim.
Claims (9)
1. color membrane substrates, described color membrane substrates comprises underlay substrate, is provided with black matrix" and colored pixels on described underlay substrate; It is characterized in that, be provided with transparency conducting layer above described black matrix" and described colored pixels, described transparency conducting layer comprises: many first the trend the first bar patens, and described the first bar shaped pattern spacing ground be positioned at described black matrix" directly over.
2. color membrane substrates according to claim 1, it is characterized in that, described transparency conducting layer also comprises: the first third edge pattern of the second trend that is connected with described the first bar paten, described the first bar paten and described the first third edge pattern intersect, and described the first third edge pattern be positioned at described black matrix" directly over.
3. color membrane substrates according to claim 1, is characterized in that, also is provided with flatness layer between described black matrix" and described colored pixels and described transparency conducting layer.
4. color membrane substrates according to claim 1, is characterized in that, the material of described transparency conducting layer is tin indium oxide or indium zinc oxide.
5. color membrane substrates according to claim 1, is characterized in that, described underlay substrate is glass substrate, quartz base plate or plastic base.
6. the described color membrane substrates of according to claim 1 to 5 any one, is characterized in that, when described color membrane substrates is copline switch type or senior super dimension conversion hysteria, the width of described the first bar paten less than over against the width of described black matrix".
7. the described color membrane substrates of according to claim 1 to 5 any one, it is characterized in that, when described color membrane substrates is twisted nematic or vertical orientation type, described transparency conducting layer also comprises: many compartment of terrains are positioned at the second bar paten of the first trend directly over described colored pixels, and the second third edge pattern that is positioned at the trend of second directly over described black matrix", and described the second bar paten and described the second third edge pattern intersect.
8. color membrane substrates according to claim 7, is characterized in that, the width of described the first bar paten be over against described black matrix" width 1/3rd; And/or, the width of the slit that described the first bar paten and adjacent described the second bar paten form be over against the sixth of described black matrix" width; And/or, the width that is positioned at described the second bar paten directly over described colored pixels and described black matrix" overlapping region for over against the sixth of described black matrix" width.
9. a display device, is characterized in that, described display device comprises array base palte and color membrane substrates as described in claim 1 to 8 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203029040U CN203299490U (en) | 2013-05-29 | 2013-05-29 | Color film substrate and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203029040U CN203299490U (en) | 2013-05-29 | 2013-05-29 | Color film substrate and display device |
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| Publication Number | Publication Date |
|---|---|
| CN203299490U true CN203299490U (en) | 2013-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013203029040U Expired - Lifetime CN203299490U (en) | 2013-05-29 | 2013-05-29 | Color film substrate and display device |
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| CN (1) | CN203299490U (en) |
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- 2013-05-29 CN CN2013203029040U patent/CN203299490U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING BOE PHOTOELECTRICITY SCIENCE + TECHNOLOGY Effective date: 20150625 Owner name: JINGDONGFANG SCIENCE AND TECHNOLOGY GROUP CO., LTD Free format text: FORMER OWNER: BEIJING BOE PHOTOELECTRICITY SCIENCE + TECHNOLOGY CO., LTD. Effective date: 20150625 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150625 Address after: 100015 Jiuxianqiao Road, Beijing, No. 10, No. Patentee after: BOE TECHNOLOGY GROUP Co.,Ltd. Patentee after: BEIJING BOE OPTOELECTRONICS TECHNOLOGY Co.,Ltd. Address before: 100176 Beijing city in Western Daxing District economic and Technological Development Zone, Road No. 8 Patentee before: BEIJING BOE OPTOELECTRONICS TECHNOLOGY Co.,Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131120 |