CN100432762C - Liquid crystal displaying panel and liquid crystal displaying apparatus - Google Patents
Liquid crystal displaying panel and liquid crystal displaying apparatus Download PDFInfo
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- CN100432762C CN100432762C CNB2005100807204A CN200510080720A CN100432762C CN 100432762 C CN100432762 C CN 100432762C CN B2005100807204 A CNB2005100807204 A CN B2005100807204A CN 200510080720 A CN200510080720 A CN 200510080720A CN 100432762 C CN100432762 C CN 100432762C
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Abstract
A liquid crystal display device includes liquid crystal display panel, backlight module, lower optical diaphragm and upper optical diaphragm, wherein liquid crystal display panel including first substrate, second substrate and liquid crystal layer, and first substrate set with active element and pixel electrode, each pixel electrode consisting of first strip electrode, second substrate set with sharing electrode, and sharing electrode consisting of second strip electrode queued with first strip electrode, liquid crystal layer consisting of liquid crystal molecule and set between first and second substrate, when no electric field forming between pixel electrode and sharing electrode, liquid crystal molecule arrange perpendicular to first substrate and second substrate; when driving voltage apply between pixel electrode and sharing electrode, liquid crystal molecule arrange along with electric field distribution.
Description
Technical field
The present invention relates to a kind of liquid crystal display (Liquid Crystal Display, LCD) panel and liquid crystal indicator, and relate in particular to a kind of display panels of vertical direction distributing type and the liquid crystal indicator of vertical direction distributing type.
Background technology
In recent years because liquid crystal indicator has the advantage that can once demonstrate bulk information, so its to have replaced tradition apace be the display device of mode of operation with the cathode-ray tube (CRT).And meanwhile, widely used with the stable twisted nematic liquid crystal indicator again.In the stable twisted nematic liquid crystal indicator, flow into two liquid crystal molecules between the substrate, its major axis can be the eccentric pattern of windup-degree 90 degree along the direction perpendicular to two substrates.When a vertical electric field was provided, liquid crystal molecule can reverse with show image.
Because the demand tendency of existing market is in can the rapid-action LCD, so industry is just developed optical compensation curved formula (opticallycompensated bend, OCB) LCD of reaction time faster than ten milliseconds.In optical compensation curved formula liquid crystal indicator, liquid crystal molecule is annotated between two substrates, and liquid crystal molecule is for angularly towards the substrate surface oblique arrangement.When up and down no electric field forms between the two substrates, the angle of inclination of liquid crystal molecule can along with its arrangement position the closer to the centre of liquid crystal layer and minimizing gradually.In more detail, the closer to the middle liquid crystal molecule of gap of liquid crystal cell (cell gap), can successively decrease in its angle of inclination, and be positioned at the liquid crystal molecule in the middle of the gap of liquid crystal cell, and its angle of inclination is 0, and this moment, the long axis direction of liquid crystal molecule can be parallel to two substrates.And since optical compensation curved formula liquid crystal indicator when the black image mode of normality, near near the arrangement mode of the long axis direction of the liquid crystal molecule two substrate surfaces for being parallel to substrate, so display panels has the situation generation of light leak easily.In order to improve above-mentioned shortcoming, can in optical compensation curved formula liquid crystal indicator, install the optical compensation diaphragm additional usually.Yet, install the cost of technology that the optical compensation diaphragm has but increased LCD additional.
In addition, generally in optical compensation curved formula LCD,, need provide a high voltage usually earlier between gap of liquid crystal cell, so that liquid crystal molecule rearranges into curve form in order to drive liquid crystal molecule.At this moment, the liquid crystal molecule in the middle of the gap of liquid crystal cell can stand in the liquid crystal layer, and is 0 near the angle of inclination of the liquid crystal molecule of two substrates.Yet, provide high voltage to drive the loss that liquid crystal molecule can increase electric power.
Summary of the invention
Based on above-mentioned, the object of the present invention is to provide a kind of display panels, when this display panels was deceived image mode in normality, the situation that does not have light leak produced.
Another object of the present invention is to provide a kind of liquid crystal indicator, it can reduce the power consumption of liquid crystal indicator and reduce cost of manufacture.
The present invention proposes a kind of display panels, and it comprises first substrate, second substrate and liquid crystal layer.Wherein, first substrate is provided with a plurality of active components and a plurality of pixel electrode, and each pixel electrode comprises a plurality of first strip shaped electric poles.And second substrate is provided with shared electrode, and shared electrode comprises a plurality of second strip shaped electric poles, and second strip shaped electric poles and the first strip electrode alignment are arranged.In addition, liquid crystal layer is arranged between first substrate and second substrate, and liquid crystal layer is made of a plurality of vertical orientation type liquid crystal molecules.In an embodiment of the present invention, when no electric field forms between pixel electrode and the shared electrode, vertical orientation type liquid crystal molecule can be perpendicular to first substrate and second substrate and is arranged, and when a driving voltage put between pixel electrode and the shared electrode, vertical orientation type liquid crystal molecule can be arranged according to direction of an electric field.
The present invention proposes a kind of liquid crystal indicator in addition, and it comprises display panels, backlight module, following blooming piece and goes up blooming piece.Wherein, display panels comprises first substrate, second substrate and liquid crystal layer, and first substrate is provided with a plurality of active components and a plurality of pixel electrode, and each pixel electrode comprises a plurality of first strip shaped electric poles.Then be provided with shared electrode on second substrate, and shared electrode comprises a plurality of second strip shaped electric poles, second strip shaped electric poles and the arrangement of the first strip electrode alignment.In addition, liquid crystal layer is arranged between first substrate and second substrate, and liquid crystal layer is made of a plurality of vertical orientation type liquid crystal molecules, and when no electric field between pixel electrode and the shared electrode formed, vertical orientation type liquid crystal molecule was perpendicular to first substrate and second substrate and arranges.In an embodiment of the present invention, when a driving voltage applied between pixel electrode and the shared electrode, vertical orientation type liquid crystal molecule can be arranged according to direction of an electric field.In addition, backlight module is arranged at the back side of display panels, and blooming piece is arranged between display panels and the backlight module down, and last optics diaphragm arrangement is in the front of display panels.
In an embodiment of the present invention, the thickness of above-mentioned first strip shaped electric poles and second strip shaped electric poles for example is respectively between 0.1～1 μ m.
In an embodiment of the present invention, the width of above-mentioned first strip shaped electric poles and second strip shaped electric poles for example is respectively between 4～20 μ m.
In an embodiment of the present invention, the spacing between above-mentioned wherein two first strip shaped electric poles and wherein the spacing between two second strip shaped electric poles for example be respectively between 10～30 μ m.
In an embodiment of the present invention, above-mentioned active component for example is a thin film transistor (TFT).
In an embodiment of the present invention, above-mentioned second substrate for example also comprises colour filter array, and it is arranged under the shared electrode.
In an embodiment of the present invention, above-mentioned blooming piece down and last blooming piece for example are respectively polaroids.
In an embodiment of the present invention, the shape of first strip shaped electric poles of pixel electrodes is identical with the shape of second strip shaped electric poles of shared electrode.
In the present invention, because first strip shaped electric poles of pixel electrode is aimed at arrangement with second strip shaped electric poles of shared electrode.When a driving voltage put between pixel electrode and the shared electrode, the spread pattern of vertical orientation type liquid crystal molecule can change arrangement mode along with the line of electric force of electric field.Therefore, the present invention's display panels has the advantage of the LCD of optical compensation pattern.In addition, when no electric field forms between pixel electrode and the shared electrode, vertical orientation type liquid crystal molecule in the display panels is vertically arranged between first substrate and second substrate, therefore when display panels was the black image mode of normality, display panels did not have the situation generation of light leak.
State with other purpose, feature and advantage and can become apparent on the present invention for allowing, preferred embodiment cited below particularly, and cooperate appended accompanying drawing, be described in detail below.
Description of drawings
Fig. 1 be the display panels of one embodiment of the invention between pixel electrode and shared electrode during no electric field, the spread pattern synoptic diagram of liquid crystal molecule.
Fig. 2 for one embodiment of the invention apply a driving voltage in display panels pixel electrode and shared electrode between the time, the spread pattern synoptic diagram of liquid crystal molecule.
Fig. 3 A is that one of one embodiment of the invention pixel cell is positioned at the vertical view on first substrate.
Fig. 3 B is that one of one embodiment of the invention pixel cell is positioned at the vertical view on second substrate.
Fig. 4 A is that one of another embodiment of the present invention pixel cell is positioned at the vertical view on first substrate.
Fig. 4 B is that one of another embodiment of the present invention pixel cell is positioned at the vertical view on second substrate.
Fig. 5 is the liquid crystal indicator sectional view of one embodiment of the invention.
The main element description of symbols
100: the first substrates
102: active component
104: pixel electrode
105: the second substrates
106: colour filter array
107: shared electrode
108: liquid crystal layer
108a: liquid crystal molecule
110: following blooming piece
120: go up blooming piece
130: backlight module
170: liquid crystal indicator
302: thin film transistor (TFT)
304: data line
306: sweep trace
308: the first strip shaped electric poles
308a: the 3rd strip shaped electric poles
400: black matrix
402: color resin
408: the second strip shaped electric poles
408a: the 4th strip shaped electric poles
Embodiment
Fig. 1 be the display panels of one embodiment of the invention between pixel electrode and shared electrode during no electric field, the spread pattern synoptic diagram of liquid crystal molecule.As shown in Figure 1, display panels comprise first substrate 100, second substrate 105 and be arranged at first substrate 100 and second substrate 105 between liquid crystal layer 108.Wherein, first substrate 100 is provided with active component 102 and pixel electrode 104, and second substrate 105 is provided with shared electrode 107.Fig. 3 A is the vertical view of the pixel cell on first substrate in Fig. 1.As shown in Figure 3A, above-mentioned active component 102 comprises sweep trace 306, data line 304 and thin film transistor (TFT) 302, wherein thin film transistor (TFT) 302 is electrically connected with sweep trace 306 and data line 304, and each pixel electrode 104 comprises a plurality of first strip shaped electric poles 308.Fig. 3 B is the vertical view of the pixel cell on second substrate in Fig. 1.Shown in Fig. 3 B, the shared electrode 107 on second substrate 105 comprises a plurality of second strip shaped electric poles 408.In one embodiment, also for example be provided with colour filter array 106 on second substrate 105, and this colour filter array 106 is positioned under the shared electrode 107, it is made up of black matrix 400 and color resin 402 (red, green, indigo plant).
Please also refer to Fig. 1, Fig. 3 A and 3B, first strip shaped electric poles 308 on first substrate 100 is aimed at arrangement with second strip shaped electric poles 408 on second substrate 105.In more detail, first strip shaped electric poles 308 on first substrate 100 not only has identical pattern with second strip shaped electric poles 408 on second substrate 105, and both are corresponding each other especially is provided with.In one embodiment, the thickness of first strip shaped electric poles 308 for example is between 0.1～1 μ m, and its width for example is between 4～20 μ m, and the thickness of second strip shaped electric poles 408 for example is between 0.1～1 μ m, and its width for example is meson 4～20 μ m.In addition, wherein the spacing between two first strip shaped electric poles 308 for example is between 10～30 μ m, and wherein the spacing between two second strip shaped electric poles 408 for example is between 10～30 μ m.In the present invention's preferred embodiment, the shape of first strip shaped electric poles 308 of pixel electrode 104 for example is identical with the shape of second strip shaped electric poles 408 of shared electrode 107.
As shown in Figure 1, the liquid crystal layer 108 that is arranged between first substrate 100 and second substrate 105 comprises a plurality of liquid crystal molecule 108a.In one embodiment, liquid crystal molecule 108a for example is a vertical orientation type liquid crystal molecule.When no electric field formed between pixel electrode 104 and the shared electrode 107, liquid crystal molecule 108a can be perpendicular to first substrate 100 and second substrate 105.At this moment, the display panels black image mode that is in the normal state.In the present embodiment, because when no electric field forms between pixel electrode 104 and the shared electrode 107, vertical orientation type liquid crystal molecule 108a can be perpendicular to first substrate 100 and second substrate 105, so this kind display panels promptly is called vertical alignment-type liquid crystal display panel.
Fig. 2 ought apply between the pixel electrode and shared electrode of a driving voltage in display panels the spread pattern synoptic diagram of liquid crystal molecule for one embodiment of the invention.Please refer to Fig. 2, apply a driving voltage between shared electrode 107 and pixel electrode 104 time, can form an electric field E between shared electrode 107 and the pixel electrode 104.Specifically, when between shared electrode 107 and pixel electrode 104 electric field E being arranged, the distribution of line of electric force is to be bending, and the liquid crystal molecule 108a that therefore is parallel to line of electric force also can arrange with curve form.In other words, when providing a driving voltage between pixel electrode 104 and shared electrode 107, liquid crystal molecule 108a can arrange according to Electric Field Distribution.This kind applies a driving voltage in the display panels that makes liquid crystal molecule 108a become curve form to arrange between pixel electrode 104 and the shared electrode 107, its arrangement mode is similar to self-optical compensation formula LCD, thereby the present invention's display panels has the advantage with self-optical compensation formula LCD.
The present invention's pixel electrode can also be other strip pattern, and shown in Fig. 4 A, the pattern of strip shaped electric poles 308 is inequality among the strip shaped electric poles 308a among Fig. 4 A and Fig. 3 A.If pixel electrode 104 is formed by strip shaped electric poles 308a, then constituted by corresponding strip shaped electric poles 408a with pixel electrode 104 107 of corresponding shared electrode.In more detail, constitute the 3rd strip shaped electric poles 308a of the pixel electrode 104 on first substrate 100, the strip shaped electric poles 408a that constitutes shared electrode 107 on its shape and arrangement position and second substrate 105 is corresponding mutually, and strip shaped electric poles 308a aims at arrangement with strip shaped electric poles 408a.
It should be noted that, above-mentioned pixel electrode and the shared electrode of being formed with the strip shaped electric poles of different arrangement modes only is the usefulness of one of the present invention embodiment in order to illustrate, but the present invention does not limit and can only form pixel electrode 104 and shared electrode 107 with the strip shaped electric poles of the foregoing description, the person of ordinary skill in the field can be that strip shaped electric poles is selected comparatively suitable shape, size, arrangement position, spacing and orientation etc. according to actual demand, to constitute pixel electrode 104 and shared electrode 107.
Fig. 5 is the liquid crystal indicator sectional view of one embodiment of the invention.As shown in Figure 5, this liquid crystal indicator comprises display panels 170, backlight module 130, following blooming piece 110 and goes up blooming piece 120.This display panels 170 comprise first substrate 100, second substrate 105 and be arranged at first substrate 100 and second substrate 105 between liquid crystal layer 108, wherein first substrate 100 is provided with active component 102 and pixel electrode 104, and second substrate 105 is provided with shared electrode 107.In addition, also be provided with colour filter array 106 on second substrate 105.In addition, each pixel electrode 104 comprises a plurality of first strip shaped electric poles, and each shared electrode 107 on second substrate 105 comprises a plurality of second strip shaped electric poles.Specifically, each first strip shaped electric poles that constitutes pixel electrode 104 is aimed at arrangement mutually with each second strip shaped electric poles that constitutes shared electrode 107.And the shape of first and second strip shaped electric poles, size and spacing are as mentioned above.And liquid crystal layer 108 comprises a plurality of liquid crystal molecule 108a, and when no electric field formed between pixel electrode 104 and shared electrode 107, liquid crystal molecule 108a was vertically arranged between first substrate 100 and second substrate 105.
In sum, in the present invention's display panels and liquid crystal indicator, first strip shaped electric poles of pixel electrode and second strip shaped electric poles of shared electrode are corresponding mutually and arrange, and when apply a voltage between pixel electrode and shared electrode when forming an electric field, the spread pattern of liquid crystal molecule can be crooked along with the bending of line of electric force.Therefore, the present invention's the display panels and the principle of work of liquid crystal indicator are to the optical compensation mode liquid crystal display panel/device is similar, and when no electric field forms between pixel electrode and the shared electrode, liquid crystal molecule is vertically arranged between two substrates, therefore display panels is the black image mode of normality, and the situation that does not have light leak takes place.Thus, in LCD of the present invention, phase optical compensation diaphragm can be do not used, thereby the manufacturing cost of LCD can be reduced.
In addition, in the present invention's display panels and liquid crystal indicator, when no electric field formed between pixel electrode and the shared electrode, liquid crystal molecule was vertically arranged between two substrates.Therefore, when driving liquid crystal molecule, do not need to apply in addition high initial voltage between pixel electrode and shared electrode, liquid crystal molecule is arranged according to Electric Field Distribution, so the electric power of the required consumption of liquid crystal indicator can reduce.
Though the present invention discloses as above with preferable enforcement; right its is not in order to limit the present invention; any person of ordinary skill in the field; without departing from the spirit and scope of the invention; when can doing a little change and improvement, so the present invention's protection domain attached claim person of defining after looking is as the criterion.
Claims (22)
1. display panels is characterized in that comprising:
First substrate, this first substrate is provided with a plurality of active components and a plurality of pixel electrode, and each pixel electrodes comprises a plurality of first strip shaped electric poles;
Second substrate, this second substrate is provided with shared electrode, and this shared electrode comprises a plurality of second strip shaped electric poles, and above-mentioned second strip shaped electric poles is arranged with the above-mentioned first strip electrode alignment respectively; And
Liquid crystal layer is arranged between above-mentioned first substrate and above-mentioned second substrate, and this liquid crystal layer comprises a plurality of vertical orientation type liquid crystal molecules,
When no electric field forms between pixel electrodes and the above-mentioned shared electrode, above-mentioned vertical orientation type liquid crystal molecule is vertically arranged between above-mentioned first substrate and above-mentioned second substrate, and when applying a driving voltage between pixel electrodes and above-mentioned shared electrode, above-mentioned vertical orientation type liquid crystal molecule can be arranged along with Electric Field Distribution.
2. the display panels according to claim 1, the thickness that it is characterized in that above-mentioned first strip shaped electric poles is between 0.1～1 μ m.
3. the display panels according to claim 1, the thickness that it is characterized in that above-mentioned second strip shaped electric poles is between 0.1～1 μ m.
4. the display panels according to claim 1, the width that it is characterized in that above-mentioned first strip shaped electric poles is between 4～20 μ m.
5. the display panels according to claim 1, the width that it is characterized in that above-mentioned second strip shaped electric poles is between 4～20 μ m.
6. the display panels according to claim 1 is characterized in that wherein spacing between two above-mentioned first strip shaped electric poles is between 10～30 μ m.
7. the display panels according to claim 1 is characterized in that wherein spacing between two above-mentioned second strip shaped electric poles is between 10～30 μ m.
8. the display panels according to claim 1 is characterized in that above-mentioned active component comprises thin film transistor (TFT).
9. the display panels according to claim 1 is characterized in that also comprising colour filter array, its be arranged on above-mentioned second substrate and be positioned at above-mentioned shared electrode under.
10. the display panels according to claim 1 is characterized in that the shape of above-mentioned first strip shaped electric poles of pixel electrodes is identical with the shape of above-mentioned second strip shaped electric poles of above-mentioned shared electrode.
11. a liquid crystal indicator is characterized in that comprising:
Display panels comprises:
First substrate, this first substrate is provided with a plurality of active components and a plurality of pixel electrode, and each pixel electrodes comprises a plurality of first strip shaped electric poles;
Second substrate, this second substrate is provided with shared electrode, and this shared electrode comprises a plurality of second strip shaped electric poles, and above-mentioned second strip shaped electric poles is arranged with the above-mentioned first strip electrode alignment respectively; And
Liquid crystal layer is arranged between first substrate and second substrate, and this liquid crystal layer comprises a plurality of vertical orientation type liquid crystal molecules,
When no electric field forms between pixel electrodes and the above-mentioned shared electrode, above-mentioned vertical orientation type liquid crystal molecule is vertically arranged between above-mentioned first substrate and above-mentioned second substrate, and when applying a driving voltage between pixel electrodes and above-mentioned shared electrode, above-mentioned vertical orientation type liquid crystal molecule can be arranged along with Electric Field Distribution;
Backlight module is arranged at the back side of above-mentioned display panels;
Following blooming piece is arranged between above-mentioned display panels and the above-mentioned backlight module; And
Last blooming piece is arranged at front, above-mentioned display panels ground.
12. the liquid crystal indicator according to claim 11, the thickness that it is characterized in that above-mentioned first strip shaped electric poles is between 0.1～1 μ m.
13. the liquid crystal indicator according to claim 11, the thickness that it is characterized in that above-mentioned second strip shaped electric poles is between 0.1～1 μ m.
14. the liquid crystal indicator according to claim 11, the width that it is characterized in that above-mentioned first strip shaped electric poles is between 4～20 μ m.
15. the liquid crystal indicator according to claim 11, it is characterized in that above-mentioned second strip shaped electric poles width between 4～20 μ m.
16. the liquid crystal indicator according to claim 11 is characterized in that wherein spacing between two above-mentioned first strip shaped electric poles is between 10～30 μ m.
17. the liquid crystal indicator according to claim 11 is characterized in that wherein spacing between two above-mentioned second strip shaped electric poles is between 10～30 μ m.
18. the liquid crystal indicator according to claim 11 is characterized in that above-mentioned active component comprises thin film transistor (TFT).
19. the liquid crystal indicator according to claim 11 is characterized in that also comprising colour filter array, it is arranged on above-mentioned second substrate and is positioned under the above-mentioned shared electrode.
20. the liquid crystal indicator according to claim 11 is characterized in that above-mentioned blooming piece down comprises polaroid.
21. the liquid crystal indicator according to claim 11 is characterized in that the above-mentioned blooming piece of going up comprises polaroid.
22. the liquid crystal indicator according to claim 11 is characterized in that the shape of above-mentioned first strip shaped electric poles of pixel electrodes is identical with the shape of above-mentioned second strip shaped electric poles of above-mentioned shared electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100807204A CN100432762C (en) | 2005-07-05 | 2005-07-05 | Liquid crystal displaying panel and liquid crystal displaying apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100807204A CN100432762C (en) | 2005-07-05 | 2005-07-05 | Liquid crystal displaying panel and liquid crystal displaying apparatus |
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| Publication Number | Publication Date |
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| CN1892304A CN1892304A (en) | 2007-01-10 |
| CN100432762C true CN100432762C (en) | 2008-11-12 |
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| CNB2005100807204A Expired - Fee Related CN100432762C (en) | 2005-07-05 | 2005-07-05 | Liquid crystal displaying panel and liquid crystal displaying apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106707634A (en) * | 2016-12-23 | 2017-05-24 | 深圳市华星光电技术有限公司 | Liquid crystal display panel and liquid crystal display device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5808705A (en) * | 1995-06-22 | 1998-09-15 | Sharp Kabushiki Kaisha | Liquid crystal display apparatus with two viewing angle modes and drive electrodes for mode dependent selection |
| JP2002031820A (en) * | 2001-05-30 | 2002-01-31 | Sanyo Electric Co Ltd | Liquid crystal display device |
| US6671019B1 (en) * | 1999-11-12 | 2003-12-30 | Case Western Reserve University | Electrode patterns for liquid crystal cells |
| JP2004077698A (en) * | 2002-08-14 | 2004-03-11 | Toshiba Corp | Liquid crystal display device |
| US20040066480A1 (en) * | 1998-12-08 | 2004-04-08 | Fujitsu Limited | Liquid crystal display apparatus having wide transparent electrode and stripe electrodes |
| CN1542502A (en) * | 2003-05-02 | 2004-11-03 | ������������ʽ���� | Liquid crystal display device and electronic equipment |
-
2005
- 2005-07-05 CN CNB2005100807204A patent/CN100432762C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5808705A (en) * | 1995-06-22 | 1998-09-15 | Sharp Kabushiki Kaisha | Liquid crystal display apparatus with two viewing angle modes and drive electrodes for mode dependent selection |
| US20040066480A1 (en) * | 1998-12-08 | 2004-04-08 | Fujitsu Limited | Liquid crystal display apparatus having wide transparent electrode and stripe electrodes |
| US6671019B1 (en) * | 1999-11-12 | 2003-12-30 | Case Western Reserve University | Electrode patterns for liquid crystal cells |
| JP2002031820A (en) * | 2001-05-30 | 2002-01-31 | Sanyo Electric Co Ltd | Liquid crystal display device |
| JP2004077698A (en) * | 2002-08-14 | 2004-03-11 | Toshiba Corp | Liquid crystal display device |
| CN1542502A (en) * | 2003-05-02 | 2004-11-03 | ������������ʽ���� | Liquid crystal display device and electronic equipment |
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| CN1892304A (en) | 2007-01-10 |
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