CN100346205C - Liquid-crystal displaying panel with liquid-crystal box testing structure and producing method thereof - Google Patents
Liquid-crystal displaying panel with liquid-crystal box testing structure and producing method thereof Download PDFInfo
- Publication number
- CN100346205C CN100346205C CNB2004100484453A CN200410048445A CN100346205C CN 100346205 C CN100346205 C CN 100346205C CN B2004100484453 A CNB2004100484453 A CN B2004100484453A CN 200410048445 A CN200410048445 A CN 200410048445A CN 100346205 C CN100346205 C CN 100346205C
- Authority
- CN
- China
- Prior art keywords
- chip
- driving
- short circuit
- circuit distribution
- display panels
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The present invention provides a liquid crystal display panel with a liquid crystal box testing structure and a producing method thereof. The liquid crystal display panel comprises a base plate which is provided with setting areas of a plurality of first driving chips, a plurality of first conducting wires and second conducting wires which are staggered in parallel, a first short circuit wiring which is connected to the first conducting wires, and a second short circuit wiring which is connected to the second conducting wires, wherein both the first short circuit wiring and the second short circuit wiring penetrate through the setting aeras of the first driving chips.
Description
Technical field
The present invention is about a kind of display panels and preparation method thereof, and particularly a kind of liquid crystal cell that conveniently carries out is tested the display panels of (cell test) and preparation method thereof.
Background technology
Liquid crystal display panel of thin film transistor mainly is the thin film transistor (TFT) that utilizes into rectangular arrangement, cooperates electronic components such as suitable electric capacity, transit point to drive liquid crystal pixel, enriches beautiful figure with generation.Because liquid crystal display panel of thin film transistor has that external form is light, thin, power consumption is few and characteristic such as radiationless pollution, therefore be widely used on the portable type information products such as mobile computer, personal digital assistant, even the existing trend that replaces the CRT monitor of traditional desktop PC gradually.
Please refer to Fig. 1 and Fig. 2, Fig. 1 is the synoptic diagram of a display panels, and Fig. 2 is the schematic internal view of data line chip for driving setting area shown in Figure 1.As shown in Figure 1, one display panels 10 includes the top that an infrabasal plate 12, one upper substrates 14 are arranged at infrabasal plate 12, and a layer of liquid crystal molecule (not shown) is filled between upper substrate 14 and the infrabasal plate 12, wherein upper substrate 14 is represented by dotted lines, and obscures to avoid diagram to produce.In addition, display panels 10 also includes multi-strip scanning line 16 and many data lines 18, and each sweep trace 16 all is arranged on the infrabasal plate 12 with each data line 18, and each sweep trace 16 is perpendicular to each data line 18.On the other hand, upper substrate 14 is a colored filter, but is used for making display panels 10 display color pictures.
In addition, as shown in Figure 1, the surface of infrabasal plate 12 includes at least one scanning line driving chip setting area 20, is used for being provided with one scan line chip for driving (not shown), and a plurality of data line chip for driving setting area 22, be used for being provided with a data line chip for driving (not shown) respectively.Wherein, this scanning line driving chip is used for exporting switch/addressing signal to each sweep trace 16, and respectively this data line chip for driving then is to be used for the output image data signal to each data line 18.And, as shown in Figure 2, each data line chip for driving setting area 22 all includes a short circuit distribution (shorting bar) 24 and a plurality of abutment (pad) 26, wherein, each data line 18 that is positioned at data line chip for driving setting area 22 all is connected to short circuit distribution 24, and each abutment 26 then is the projection (bump) that is used for being pasted on this data line chip for driving respectively.In addition, because the inner structure of scanning line driving chip setting area 20 is similar to each data line chip for driving setting area 22, therefore repeat no more.
Generally speaking; before respectively this data line chip for driving and this scanning line driving chip are pasted to each data line chip for driving setting area 22 and scanning line driving chip setting area 20; usually can carry out a liquid crystal cell earlier and test on display panels 10, whether have unusual color to show to check display panels 10 in advance.After treating that the liquid crystal cell test finishes, utilize laser to cut off line between short circuit distribution 24 and each data line 18 again, afterwards respectively this data line chip for driving be pasted on each data line chip for driving setting area 22 and and be pasted on the scanning line driving chip setting area 20 this scanning line driving chip.
And, in aforesaid liquid crystal cell test, short circuit distribution 24 just is used for importing a test signal and gives each data line 18, show by the color of manually checking display panels 10 more subsequently, therefore for making short circuit distribution 24 can receive this test signal, short circuit distribution 24 must be connected to a test point, and this test signal just can be imported in the short circuit distribution 24 via this test point.Yet as shown in Figure 2, each abutment 26 has occupied most of space of data line chip for driving setting area 22, so data line chip for driving setting area 22 interior just do not have enough spaces that the required test point of short circuit distribution 24 is set.In addition, even short circuit distribution 24 required test points are arranged at outside the data line chip for driving setting area 22, but since adjacent two abutments 26 between very little apart from d, short circuit distribution 24 also can't extend to the outside of data line chip for driving setting area 22.
Therefore, please refer to Fig. 3, Fig. 3 is the synoptic diagram that conventional liquid crystal cell is tested.As shown in Figure 3, conventional liquid crystal cell test normally is covered on a conductive rubber 28 surface of each short circuit distribution 24, and then with test signal input conductive rubber 28, this test signal inputs to each data line 18 via each short circuit distribution 24.But, because the same test signal of conventional liquid crystal cell test input is to each data line 18, thereby can't test respectively red pixel, green pixel and blue pixel, and then make some defect kind be examined out, thereby can't provide complete defect information to the engineering staff.
Summary of the invention
Therefore, one of purpose of the present invention provides a kind of display panels that conveniently carries out liquid crystal cell test, to solve aforesaid problem.
Another purpose of the present invention provides a kind of manufacture method of display panels, to solve aforesaid problem.
According to purpose of the present invention, preferred embodiment of the present invention provides a kind of display panels, it includes a substrate, many first leads and second lead, parallel and be alternately arranged on this substrate, one first short circuit distribution is connected to these many first leads, and one second short circuit distribution, be connected to these many second leads.In addition, the surface of this substrate includes a plurality of first chip for driving setting areas, be used for being provided with one first chip for driving respectively, and these many first leads and second lead are used for receiving the signal from these a plurality of first chip for driving, and this first short circuit distribution and this second short circuit distribution all run through this a plurality of first chip for driving setting areas.
According to another object of the present invention, preferred embodiment of the present invention provides a kind of method of making one display panels, one first substrate and second substrate relative with this first substrate at first are provided, and the surface of this first substrate includes the first short circuit distribution that many parallel first leads and are connected to these many first leads, then utilize this first short circuit distribution to carry out liquid crystal cell test, carry out a cutting operation subsequently to cut off the line of this first short circuit distribution and these many first leads, at last a plurality of first chip for driving are arranged on this first substrate, and utilize this first short circuit distribution to be connected in series this a plurality of first chip for driving, wherein respectively this first chip for driving is used for exporting a signal to these many first leads.
Because short circuit distribution of the present invention can be used to carry out liquid crystal cell test and these a plurality of chip for driving of serial connection,, and then reach the effect of saving the space so the present invention can reduce the number of lead.
Description of drawings
Fig. 1 is the synoptic diagram of a display panels.
Fig. 2 is the schematic internal view of data line chip for driving setting area shown in Figure 1.
Fig. 3 is the synoptic diagram that conventional liquid crystal cell is tested.
Fig. 4 is the synoptic diagram of a display panels of first embodiment of the invention.
Fig. 5 is the schematic internal view of data line chip for driving setting area shown in Figure 4.
Fig. 6 is the schematic internal view of scanning line driving chip setting area shown in Figure 4.
Fig. 7 is the synoptic diagram of a display panels of second embodiment of the invention.
The reference numeral explanation
10 display panels, 12 infrabasal plates
14 upper substrates, 16 sweep traces
18 data lines, 20 scanning line driving chip setting areas
22 data line chip for driving setting areas, 24 short circuit distributions
26 abutments, 28 conductive rubbers
40 display panels, 42 infrabasal plates
44 upper substrate 46a sweep traces
52 data line chip for driving setting areas, 50 scanning line driving chip setting areas
54a short circuit distribution 54b short circuit distribution
54c short circuit distribution 55 power supply abutments
59 flexible print wiring board 60a short circuit distributions
60b short circuit distribution 62a test point
66 alignment marks, 68 abutments
70 alignment marks, 72 lines of cut
74 lines of cut
Embodiment
Please refer to Fig. 4 to Fig. 6, Fig. 4 is the synoptic diagram of a display panels of first embodiment of the invention, and Fig. 5 is the schematic internal view of data line chip for driving setting area shown in Figure 4, and Fig. 6 is the schematic internal view of scanning line driving chip setting area shown in Figure 4.As shown in Figure 3, a display panels 40 includes an infrabasal plate 42, one upper substrates 44, be arranged at the top of infrabasal plate 42, and one the layer of liquid crystal molecule (not shown) be filled between upper substrate 44 and the infrabasal plate 42, wherein upper substrate 44 is represented by dotted lines, and obscures to avoid diagram to produce.In addition, display panels 40 also includes many parallel and staggered sweep trace 46a and sweep trace 46b, and each sweep trace 46a and 46b all are arranged on the infrabasal plate 42.In addition, display panels 40 also includes many data line 48R, be arranged on the infrabasal plate 42 and be used for transmitting a red image signal, many data line 48G, be arranged on the infrabasal plate 42 and be used for transmitting a green video signal, and many data line 48B, be arranged on the infrabasal plate 42 and be used for transmitting a blue image signal.On the other hand, upper substrate 44 is a colored filter, but is used for making display panels 40 display color pictures.
As shown in Figure 4, the surface of infrabasal plate 42 includes at least one scanning line driving chip setting area 50, be used for being provided with one scan line chip for driving (not being attached at as yet on the infrabasal plate 42), and a plurality of data line chip for driving setting area 52, be used for being provided with a data line chip for driving (not being attached at as yet on the infrabasal plate 42) respectively.Wherein, as shown in Figure 5, include a plurality of abutments 64 and at least two alignment marks 66 in the data line chip for driving setting area 52, and as shown in Figure 6, include a plurality of abutments 68 and at least two alignment marks 70 in the scanning line driving chip setting area 50.
In addition, as Fig. 4 and shown in Figure 5, display panels 40 also includes a short circuit distribution 54a, be arranged at infrabasal plate 42 and be connected to whole data line 48R, one short circuit distribution 54b, be arranged at infrabasal plate 42 and be connected to whole data line 48G, and a short circuit distribution 54c, be arranged at infrabasal plate 42 and be connected to whole data line 48B.In addition, as shown in Figure 4, display panels 40 also includes a plurality of test point 56a, 56b and 56c, be arranged on the infrabasal plate 42, and short circuit distribution 54a, the end of 54b and 54c is connected to test point 56a respectively, 56b and 56c, and short circuit distribution 54a, the other end of 54b and 54c then is to be electrically connected to a flexible print wiring board 58, because this moment, flexible print wiring board 58 was not arranged on the infrabasal plate 42 as yet, so flexible print wiring board 58 is represented by dotted lines, in addition, the position that is provided with of flexible print wiring board 58 is not limited to shown in Figure 4ly, and flexible print wiring board 58 can also be electrically connected to regional A, the interior short circuit distribution 54a of area B or zone C, 54b and 54c.In addition, as Fig. 4 and shown in Figure 6, display panels 40 also includes a short circuit distribution 60a, be arranged at infrabasal plate 42 and be connected to whole sweep trace 46a, an and short circuit distribution 60b, be arranged at infrabasal plate 42 and be connected to whole sweep trace 46b, and the end of each short circuit distribution 60a and 60b is electrically connected to test point 62a and test point 62b respectively.
It should be noted that, each short circuit distribution 54a, 54b, 54c, 60a and 60b all are used for carrying out liquid crystal cell test, to check that in advance next whether display panels 40 has unusual color to show, therefore will illustrate the method for testing of liquid crystal cell test of the present invention.As shown in Figure 4, at first, utilize a testing tool (for example: probe) with a test signal S
1Input to test point 62a and 62b, then test signal S
1Can input to each sweep trace 46a and 46b via short circuit distribution 60a and 60b, to be added to the grid on each sweep trace 46a and the 46b.Simultaneously, this testing tool can be with a test signal S
2Input to test point 56a, and test signal S
2Can input to each data line 48R via short circuit distribution 54a, so that each red pixel Show Color on each data line 48R, operating personnel can check just whether each red pixel has unusual defective (for example: dim spot or color exception) afterwards.Then, when each red pixel of display panels 40 be examined finish after, this testing tool just can stop to transmit test signal S
2To test point 56a, and with a test signal S
3Input to test point 56b, and test signal S
3Can input to each data line 48G via short circuit distribution 54b, so that the green pixel Show Color on each data line 48G checks whether each green pixel has unusual defective subsequently and by operating personnel.Afterwards, when each green pixel of display panels 40 be examined finish after, this testing tool just can stop to transmit test signal S
3To test point 56b, and with a test signal S
4Input to test point 56c, so that the blue pixel Show Color on each data line 48B, at last again by checking manually whether each blue pixel has unusual defective.Must be noted that above-mentioned testing sequence only illustrates, that is the testing sequence of red pixel, blue pixel and green pixel can be adjusted according to actual needs.
In addition, as shown in Figure 4, liquid crystal cell test of the present invention also includes following testing procedure.At first, this testing tool is simultaneously with test signal S
1Input to test point 62a and 62b, test signal S
1Just can be via short circuit distribution 60a and 60b and input to each sweep trace 46a and 46b, to be added to the grid on each sweep trace 46a and the 46b.Then, this testing tool is again with test signal S
2, S
3With S
4Input to test point 56a, 56b and 56c respectively, and test signal S
2, S
3With S
4Can be respectively input to each data line 48R, 48G and 48B via short circuit distribution 54a, 54b and 54c, so that red pixel, green pixel and blue pixel while Show Color, but because the cause of Polarizer, the display panels 40 of this moment shows a black picture, at last, operating personnel can check that just the picture of display panels 40 shows.Subsequently, this testing tool can stop input test signal S
1To test point 62b, so that display panels 40 shows a grey screen, and operating personnel can check again that the picture of display panels 40 shows.At last, this testing tool can stop input test signal S
1To test point 62a, so that display panels 40 shows a white picture, operating personnel can check again that the picture of display panels 40 shows simultaneously.
It should be noted that because data line 48R of the present invention, data line 48G are connected to different short circuit distributions respectively with data line 48B, so the present invention can check the colour developing situation of red pixel, green pixel and blue pixel respectively.On the other hand, the present invention is connected to different short circuit distributions respectively with sweep trace 46a and sweep trace 46b, so that the present invention can check that the picture of display panels 40 shows respectively at black, grey and white picture.Thus, liquid crystal cell test of the present invention can be checked out the more defects type, to obtain more complete defect information for analysis.
As shown in Figure 5, after liquid crystal cell test finishes, then can carry out a cutting operation, this cutting operation utilizes alignment mark 66 to carry out contraposition, and utilizes a laser to cut off line between each short circuit distribution and each data line along dotted line 72.In the same manner, as shown in Figure 6, this cutting operation can utilize alignment mark 70 to carry out contraposition, and utilizes a laser to cut off line between each short circuit distribution and each sweep trace along dotted line 74.
After the line between each short circuit distribution and each sweep trace/each data line is cut off, and then convenient with glass plate base chip (chip-on-glass, COG) technology, so that aforesaid respectively this data line chip for driving is arranged on each data line chip for driving setting area 52, also being about to respectively, this data line chip for driving is attached on each abutment 64 shown in Figure 5.Subsequently, aforesaid this scanning line driving chip is arranged on the scanning line driving chip setting area 50, and this scanning line driving chip is to be attached on each abutment 68 shown in Figure 6 by glass plate base chip technology.Wherein, this scanning line driving chip is used for exporting switch/addressing signal to each sweep trace 46a and 46b, and respectively this data line chip for driving then is to be used for the output image data signal to each data line 48R, 48G and 48B.
It should be noted that, after respectively this data line chip for driving is pasted on each data line chip for driving setting area 52, each short circuit distribution 54a, 54b just are used to be connected in series this a plurality of data line chip for driving with 54c, therefore the control signal exported of flexible print wiring board 58, just can be via each short circuit distribution 54a, 54b and 54c and input to respectively this data line chip for driving, and then make respectively the exportable viewdata signal of this data line chip for driving to each data line 48R, 48G and 48B.In other words, short circuit distribution 54a of the present invention, 54b and 54c are used for carrying out liquid crystal cell test earlier, treat that the liquid crystal cell test finishes after, short circuit distribution 54a, 54b just can be used to be connected in series this a plurality of data line chip for driving with 54c.Therefore, because short circuit distribution 54a of the present invention, 54b can be used to carry out the liquid crystal cell test and are connected in series this a plurality of data line chip for driving with 54c,, and then save the space so the present invention can reduce the number of lead.In addition, when the running generation problem of this data line chip for driving respectively, each test point 56a, 56b and 56c can be used to respectively this data line chip for driving of test, to find out the respectively source of damage of this data line chip for driving.That is to say, test point 56a of the present invention, 5 6b and 56c are used for carrying out the liquid crystal cell test earlier, after treating that the liquid crystal cell test finishes, test point 56a, 56b and 56c just can be used to respectively this data line chip for driving of test, so not only can reduce the number of test point, more can solve routine does not have enough spaces that the problem of the required test point of short circuit distribution is set.In addition, because short circuit distribution 60a and 60b and short circuit distribution 54a, 54b and 54c have identical functions, and test point 62a and 62b also have identical functions with test point 56a, 56b and 56c, therefore repeat no more.
Please refer to Fig. 7, Fig. 7 is the synoptic diagram of a display panels of second embodiment of the invention, and for convenience of description, the following description is represented components identical with identical label.As shown in Figure 7, display panels 40 also includes a plurality of power supplys abutment (power bonding pad) 55, is arranged between the adjacent two data line chip for driving setting areas 52 and is electrically connected to each short circuit distribution 54a, 54b and 54c.Generally speaking, when the size of display panels 40 is increasing, because each short circuit distribution 54a, the equivalent resistance relation of 54b and 54c, the intensity of the control signal that flexible print wiring board 58 is exported just can prolonged each short circuit distribution 54a, 54b and 54c and successively decrease, therefore produce for fear of aforementioned phenomenon, the second embodiment of the present invention can be pasted to a flexible print wiring board 59 on each power supply abutment 55 of area B and zone C, control signal to corresponding respectively this data line chip for driving and flexible print wiring board 59 is exportable, the intensity of the control signal of being exported with reinforcement flexible print wiring board 58.
In addition, aforesaid display panels 40 has one scan line chip for driving setting area 50, yet the present invention is not limited to this, the number of scanning line driving chip setting area 50 can change according to product needed, and the relevant design of aforesaid data line chip for driving setting area 52 also can be applicable on the scanning line driving chip setting area 50.On the other hand, the number and the position of aforesaid data line chip for driving setting area, scanning line driving chip setting area, short circuit distribution, abutment and test point also can change according to product needed, and are not limited to Fig. 4 and shown in Figure 7.
Compare with routine techniques, because data line 48R of the present invention, data line 48G are electrically connected to different short circuit distributions respectively with data line 48B, therefore the present invention can check the display quality of red pixel, green pixel and blue pixel respectively, and then can obtain complete defect information.In addition, because short circuit distribution 54a of the present invention, 54b can be used to carry out the liquid crystal cell test and are connected in series this many data lines (or power lead) chip for driving with 54c,, and then reach the effect of saving the space so the present invention can reduce the number of lead.On the other hand, because test point 56a of the present invention, 56b and 56c can be used to carry out the liquid crystal cell test and carry out the chip for driving test, so not only can reduce the number of test point, more can solve routine does not have enough spaces that the problem of the required test point of short circuit distribution is set.
The above only is preferred embodiment of the present invention, and all equivalences of carrying out according to claim of the present invention change and revise, and all should belong to covering scope of the present invention.
Claims (10)
1. display panels with a liquid crystal cell test structure, it includes:
One substrate, the surface of this substrate include a plurality of first chip for driving setting areas, are used for being provided with one first chip for driving respectively;
Many first leads and second lead, parallel and be alternately arranged on this substrate and be used for receiving signal from these a plurality of first chip for driving;
One first short circuit distribution is connected to these many first leads and runs through this a plurality of first chip for driving setting areas; And
One second short circuit distribution is connected to these many second leads and runs through this a plurality of first chip for driving setting areas,
Wherein this display panels also includes a plurality of first abutments, be arranged between two adjacent these a plurality of first chip for driving setting areas this first with this second short circuit distribution on, be used for one first flexible print wiring board be electrically connected between two adjacent these a plurality of first chip for driving setting areas this first with this second short circuit distribution, wherein respectively this first flexible print wiring board is used for importing a signal to this first chip for driving respectively.
2. display panels as claimed in claim 1, wherein the surface of this substrate also includes at least one second chip for driving setting area, be used for being provided with one second chip for driving, and this test structure includes also:
Many the privates perpendicular to these many first, second leads are arranged on this substrate and are used for receiving signal from this second chip for driving; And
One the 3rd short circuit distribution is connected to these many privates and is arranged at this second chip for driving setting area.
3. display panels as claimed in claim 2, wherein the surface of this substrate also includes a plurality of test points, respectively this test point be connected to respectively this first, this second with an end of the 3rd short circuit distribution, be used for importing a test signal to this first, this second with the 3rd short circuit distribution, to carry out liquid crystal cell test.
4. display panels as claimed in claim 3, wherein respectively this first is a data line with this second lead respectively, and respectively this privates is the one scan line, and after the test of this liquid crystal cell finishes, and this first all is used for being connected in series this a plurality of first chip for driving with this second short circuit distribution.
5. display panels as claimed in claim 4, wherein this display panels also includes:
Many the privates that are parallel to these many privates are used as one scan line and the reception signal from this second chip for driving respectively; And
One the 4th short circuit distribution is connected to these many privates and is arranged at this second chip for driving setting area.
6. display panels as claimed in claim 5, wherein the surface of this substrate includes a plurality of these second chip for driving setting areas, the 3rd with the 4th short circuit distribution all run through this a plurality of second chip for driving setting areas, and after the test of this liquid crystal cell finished, the 3rd all was used for being connected in series this a plurality of second chip for driving with the 4th short circuit distribution.
7. display panels as claimed in claim 6, wherein this display panels also includes:
Many the 5th leads that are parallel to these many first and second leads, be used as a data line and reception signal respectively from this first chip for driving, and respectively this first lead is used for transmitting a red image signal, respectively this second lead is used for transmitting a green video signal, and respectively the 5th lead is used for transmitting a blue image signal; And
One the 5th short circuit distribution is connected to these many articles the 5th leads and is arranged at this first chip for driving setting area, and after this liquid crystal cell test finished, the 5th short circuit distribution was used for being connected in series these a plurality of first chip for driving.
8. display panels as claimed in claim 3, wherein respectively this first is the one scan line with this second lead respectively, and respectively this privates is a data line, and after the test of this liquid crystal cell finishes, and this first all is used for being connected in series this a plurality of first chip for driving with this second short circuit distribution.
9. display panels as claimed in claim 8, wherein the surface of this substrate includes a plurality of these second chip for driving setting areas, the 3rd short circuit distribution all runs through this a plurality of second chip for driving setting areas, and after this liquid crystal cell test finished, the 3rd short circuit distribution was used for being connected in series these a plurality of second chip for driving.
10. display panels as claimed in claim 2, wherein the surface of this substrate includes a plurality of these second chip for driving setting areas, and this display panels also includes a plurality of second abutments, be arranged on the 3rd short circuit distribution between two adjacent these a plurality of second chip for driving setting areas, be used for one second flexible print wiring board is electrically connected to the 3rd short circuit distribution between two adjacent these a plurality of second chip for driving setting areas, wherein respectively this second flexible print wiring board is used for importing a signal to this second chip for driving respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100484453A CN100346205C (en) | 2004-06-10 | 2004-06-10 | Liquid-crystal displaying panel with liquid-crystal box testing structure and producing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100484453A CN100346205C (en) | 2004-06-10 | 2004-06-10 | Liquid-crystal displaying panel with liquid-crystal box testing structure and producing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1584678A CN1584678A (en) | 2005-02-23 |
| CN100346205C true CN100346205C (en) | 2007-10-31 |
Family
ID=34602092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100484453A Active CN100346205C (en) | 2004-06-10 | 2004-06-10 | Liquid-crystal displaying panel with liquid-crystal box testing structure and producing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100346205C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102636928B (en) * | 2012-04-16 | 2015-04-15 | 深圳市华星光电技术有限公司 | Line structure for distributing district of liquid crystal display panel and testing method for liquid crystal display panel |
| CN104991367B (en) * | 2015-07-16 | 2018-03-13 | 深圳市华星光电技术有限公司 | A kind of preparation method of liquid crystal display panel |
| CN105954899B (en) * | 2016-07-08 | 2019-07-23 | 武汉华星光电技术有限公司 | Liquid crystal display panel and liquid crystal display |
| CN106997111A (en) * | 2017-04-05 | 2017-08-01 | 惠科股份有限公司 | A kind of test device and method of testing for display panel |
| TWI708527B (en) * | 2018-11-23 | 2020-10-21 | 友達光電股份有限公司 | Circuit board |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11237641A (en) * | 1997-12-05 | 1999-08-31 | Samsung Electronics Co Ltd | Liquid crystal display device, its production and detecting method of defect |
| US6025891A (en) * | 1996-11-29 | 2000-02-15 | Lg Electronics Inc. | Liquid crystal display device |
| US6392719B2 (en) * | 1997-11-05 | 2002-05-21 | Lg Electronics Inc. | Liquid crystal display device |
| US20020089614A1 (en) * | 2000-12-29 | 2002-07-11 | Lg.Philips Lcd Co., Ltd. | Liquid crystal display device |
-
2004
- 2004-06-10 CN CNB2004100484453A patent/CN100346205C/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6025891A (en) * | 1996-11-29 | 2000-02-15 | Lg Electronics Inc. | Liquid crystal display device |
| US6392719B2 (en) * | 1997-11-05 | 2002-05-21 | Lg Electronics Inc. | Liquid crystal display device |
| JPH11237641A (en) * | 1997-12-05 | 1999-08-31 | Samsung Electronics Co Ltd | Liquid crystal display device, its production and detecting method of defect |
| US20020089614A1 (en) * | 2000-12-29 | 2002-07-11 | Lg.Philips Lcd Co., Ltd. | Liquid crystal display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1584678A (en) | 2005-02-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102621721B (en) | Liquid crystal panel, liquid crystal module and method for clarifying reasons resulting in poor screen images thereof | |
| JP5379271B2 (en) | Active matrix substrate, display device, manufacturing method or inspection method for active matrix substrate, and manufacturing method or inspection method for display device | |
| TWI300543B (en) | Liquid crystal display panel having a cell test structure and method for making the same | |
| CN107967886B (en) | Display panel to be detected, detection method thereof, display panel, mother board and display device | |
| CN1949326A (en) | Display device and testing method for display device | |
| CN1710480A (en) | Test circuit of liquid crystal display and test method | |
| US6798232B2 (en) | Bump structure for testing liquid crystal display panel and method of fabricating the same | |
| CN107942547A (en) | The method that point gauge and its detection panel are returned in lighting | |
| CN1716031A (en) | Backlight unit of liquid crystal display device using light emitting diode and method of driving the same | |
| CN1892786A (en) | Liquid crystal display of line on glass type | |
| CN1926463A (en) | Method for inspecting array substrates | |
| CN1452146A (en) | Picture signal providing circuit and electrooptical panel | |
| CN100346205C (en) | Liquid-crystal displaying panel with liquid-crystal box testing structure and producing method thereof | |
| CN101399010A (en) | Driving method, driving circuit, electro-optical device, and electronic apparatus | |
| CN1501125A (en) | Electro-optic panel and manufacturing method thereof | |
| CN1916741A (en) | Electro-optical device, method of testing the same, and electronic apparatus | |
| CN1922500A (en) | Method of inspecting array substrate and method of manufacturing array substrate | |
| CN1802591A (en) | Substrate inspecting method | |
| KR20080026678A (en) | Apparatus of testing display panel and method of testing display panel | |
| CN1527046A (en) | LCD Panel testing method and equipment thereof | |
| CN1580891A (en) | Method for reparing spot defect for liquid crystal display device | |
| KR102037053B1 (en) | Display panel | |
| CN1192337C (en) | Active display device of large screen | |
| KR101165473B1 (en) | LCD Panel and fabricating method thereof | |
| CN111308749B (en) | Lighting method, lighting machine, afterimage detection method and color analyzer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |