CN102998576A - Connector connection checking circuit and method, display device and manufacturing method thereof - Google Patents
Connector connection checking circuit and method, display device and manufacturing method thereof Download PDFInfo
- Publication number
- CN102998576A CN102998576A CN2012103323320A CN201210332332A CN102998576A CN 102998576 A CN102998576 A CN 102998576A CN 2012103323320 A CN2012103323320 A CN 2012103323320A CN 201210332332 A CN201210332332 A CN 201210332332A CN 102998576 A CN102998576 A CN 102998576A
- Authority
- CN
- China
- Prior art keywords
- connector
- terminal
- signal wire
- terminals
- signal
- 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.)
- Granted
Links
Images
Abstract
A connector connection checking circuit and a method capable of effectively checking connection of a connector, a display device and a manufacturing method thereof. The connector connection checking circuit comprises: a first connector (410) having a plurality of terminals respectively connected with each signal line of a first signal line (30); a second connector (420) having a plurality of terminals respectively connected with each signal line of a second signal line (50) and pluggably connected with the each terminal of the first connector; a first metering terminal which is the terminal connected with a part of the signal lines except for the signal lines connected to the terminals at two ends of the first connector respectively via a source electrode and a drain electrode of a transistor (31); and a second metering terminal which is the terminal connected with the residual signal lines except for the part of the signal lines respectively via the source electrode and the drain electrode of the transistor, wherein one of the two signal lines connected to the terminals at the two ends of the first connector is connected to the first metering terminal, the two signal lines connected to the terminals of the two ends of the second connector are electrically connected with each other.
Description
Technical field
The present invention relates to the manufacture method that connector connects check circuit, display device, connector connection inspection method and display device, in more detail, the connector that relates to for detection of the unusual connection of the connector of the electrical connection of carrying out a plurality of signal wires connects check circuit, comprises that this connector connects the display device of check circuit, connector connects inspection method and used this connector to connect the manufacture method of the display device of inspection method.
Background technology
In with the electronic equipment headed by the display device of liquid crystal indicator etc., for sending and receiving of signal, use to connect simultaneously between two substrates or parts are connected with connector between the substrate by a plurality of signal wires.For example, in display device, from the FPC(Flexible Printed Circuits that display panel extends, flexible printed circuit) be connected via connector for the interposer of relaying from the signal of signal generating circuit.Because the miniaturization of electronic equipment in recent years and complicated, there is the tendency that narrows down between the signal wire in such connector, has insecure danger that connection can occur.
Fig. 8 ~ Figure 11 is the figure for insecure example of explanation connection.The 1st connector 810 and the 2nd connector 820 be connectors that substrate 700 and FPC900 are electrically connected, and represented the situation that the 1st connector 810 and the 2nd connector 820 normally connect in Fig. 8.The 1st connector 810 of substrate 700 sides has a plurality of liners (pad) 81 as a plurality of terminals, and the 2nd connector 820 of FPC900 side has similarly a plurality of liners 82 as a plurality of terminals.In this Fig. 8, contact in the mode that puts liner 82 at liner 81, become the normal contact condition of signal wire conducting separately.
Fig. 9 ~ Figure 11 is the figure for explanation the 1st connector 810 and the unusual connection of the 2nd connector 820.Fig. 9 is illustrated in the situation of having sneaked into foreign matter 950 in the 1st connector 810 of connection and the 2nd connector 820, here, because foreign matter 950 is between the adjacent liner, so these liners can short circuits.Figure 10 represents that the 2nd connector 820 departs from the 1st connector 810 and situation about being connected.At this moment, because liner 81 do not contact with 82, so become non-conduction.Situation when Figure 11 represents that the 2nd connector 820 inserts the 1st connector 810 obliquely.At this moment, following situation can occur: it is non-conduction that the short circuit between the short circuit that produces because of the contact between the liner 81 and 82 that should not contact, the adjacent liner and the noncontact of the liner 81 that should contact and 82 produce.
The purpose of patent documentation 1 is, prevents the tiltedly poor of flexible cable that ink gun is connected, and it discloses via flexible cable and has applied 5V, after the feedback of having confirmed this 5V, carries out the method that applies of 36.5V.
The prior art document
Patent documentation
Patent documentation 1: TOHKEMY 2006-092868 communique
For example, the FPC that will extend from the display panel of display device and connector that interposer is connected, occured in the situation of aforesaid unusual connection, not only can destroy driver IC (the Integrated Circuit that disposes at display panel, but also existence can cause the danger of generating heat and catching fire integrated circuit).In addition, in the situation that is unlikely to destroy even slight damage is arranged, can not negate the possibility that appears on the market by the product that checks, reliability is low.
In addition, although the inspection shown in patent documentation 1 is effectively, in this checks, can detect the conduction/non-conduction of the specific liner in the connector, but be difficult to detect sneaking into or departing from of connector and the contact of the terminals of adjacent that produces of foreign matter.
Summary of the invention
The present invention finishes in view of above-mentioned situation, and its purpose is, provides a kind of connector of the connection of connector that can effectively check to connect the manufacture method of check circuit, display device, connector connection inspection method and display device.
Connector of the present invention connects check circuit and is characterised in that comprise: the 1st connector has a plurality of terminals; The 1st signal wire, the 1st signal wire are a plurality of signal wires that are electrically connected to respectively described a plurality of terminals of described the 1st connector; The 2nd connector has a plurality of terminals that can be electrically connected with each terminal of described the 1st connector with plugging; The 2nd signal wire, the 2nd signal wire are a plurality of signal wires that are electrically connected to respectively each terminal of described the 2nd connector; The 1st instrumentation terminal, the 1st instrumentation terminal are that a part of signal wire in a plurality of signal wires of described the 1st signal wire, except the signal wire of two terminals of the regulation that is connected to described the 1st connector is connected a terminal that connects via transistorized source electrode respectively with drain electrode; The 2nd instrumentation terminal, the 2nd instrumentation terminal are that the remaining signal wire in a plurality of signal wires of described the 1st signal wire, except the signal wire of two terminals of the described regulation that is connected to described the 1st connector is connected a terminal that connects via transistorized source electrode respectively with drain electrode; And signal line, jointly be connected to described transistorized each grid, in described the 1st signal wire, be connected in two signal wires of two terminals of described regulation of described the 1st connector one be connected to described the 1st instrumentation terminal, in described the 2nd signal wire, two signal wires being connected to two terminals of described 2nd connector corresponding with two terminals of the described regulation of described the 1st connector are electrically connected mutually.
In addition, also can connect in the check circuit at connector of the present invention, each signal wire of described a part of signal wire and each signal wire of described remaining signal wire alternately are connected to the terminal of a plurality of arrangements of described the 1st connector.
In addition, also can connect in the check circuit at connector of the present invention, when checking, to in described the 1st signal wire, be connected in two signal wires of two terminals of described regulation of described the 1st connector another and apply the current potential of regulation, and described signal line is applied the current potential that makes described source electrode and drain electrode conducting.
In addition, also two terminals that terminal is the two ends of described the 1st connector of described regulation can be connected in the check circuit at connector of the present invention.
Display device of the present invention comprises: display panel; Interposer sends signal of video signal to described display panel; Flexible printed board, with described display panel be connected interposer and connect; And any connector connection check circuit in the above-mentioned connector connection check circuit, be used for checking described interposer and being connected the connection of flexible printed board by connector.
Connector of the present invention connects inspection method and carries out the connection inspection of the 1st connector and the 2nd connector, described the 1st connector has a plurality of terminals that each signal wire as the 1st signal wire of a plurality of signal wires is electrically connected respectively, a plurality of terminals that described the 2nd connector has that each signal wire as the 2nd signal wire of a plurality of signal wires is electrically connected respectively and can be electrically connected with each terminal of described the 1st connector with plugging, described connector connects inspection method and comprises: terminal connects the inspection step, two signal wires that are connected in described the 2nd signal wire of two terminals of regulation of described the 2nd connector are electrically connected mutually, the signal wire of a terminal in two terminals that are connected to described the 1st connector corresponding with the terminal of described regulation is applied the voltage of regulation, check in the signal wire of another terminal in being connected to two terminals of described the 1st connector whether measure the described voltage that applies; And in abutting connection with terminal test for short-circuit step, in a plurality of signal wires of described the 1st signal wire, in the arrangement of the terminal of described the 1st connector, be connected to the signal wire every one terminal that comprises described another terminal and jointly connect, a described end is applied the described voltage of regulation, check in the common signal wire that is electrically connected of described each terminal between one terminal whether measure the described voltage that applies.
In addition, also can connect in the inspection method at connector of the present invention, described terminal connects the inspection step and described walking abreast in abutting connection with terminal test for short-circuit step carried out.
In addition, also can connect in the inspection method at connector of the present invention, the signal wire that is connected to the terminal except two terminals of described the 1st connector is inserted, so that connect respectively transistorized source electrode and drain electrode, described in terminal test for short-circuit step, described transistorized grid is applied the forward voltage of source electrode and drain electrode and instrumentation voltage.
In addition, also two terminals that terminal is the two ends of described the 2nd connector of described regulation can be connected in the inspection method at connector of the present invention.
The manufacture method of display device of the present invention comprises: the display panel manufacturing step, make display panel with the glass substrate that has formed thin film transistor (TFT); The interposer preparation process is prepared for the interposer of image signal transmitting being delivered to described display panel; Connection Step, with described display panel be connected interposer and connect by flexible cable; And used above-mentioned connector to connect the inspection step that any connector in the inspection method connects inspection method, check described interposer and be connected the connection of flexible cable.
Description of drawings
Fig. 1 is the figure of the display device of expression one embodiment of the present invention.
Fig. 2 is for the figure of explanation in the transmission of the display device signal of video signal of Fig. 1.
Fig. 3 is the figure that schematically shows the electrical connection of the connector of Fig. 2 and peripheral circuit thereof.
Fig. 4 is the process flow diagram of inspection step of the connection of expression connector.
Fig. 5 is the figure of variation of the process flow diagram of presentation graphs 4.
Fig. 6 is the process flow diagram of the manufacturing step of expression display device.
Fig. 7 is the figure of other examples of the electrical connection of expression connector and peripheral circuit thereof.
Fig. 8 is the figure of expression the 1st connector and the normal situation about connecting of the 2nd connector.
Fig. 9 is illustrated in the figure that has sneaked into the situation of foreign matter among the 1st connector of connection and the 2nd connector.
Figure 10 is that expression the 2nd connector departs from the 1st connector and the figure of situation about being connected.
Figure 11 is the figure that expression the 2nd connector is inserted into the situation of the 1st connector obliquely.
Label declaration
30a ~ 30g wiring, 31b ~ 31f transistor, 32 gate lines, 41a～41g liner, 42a ~ 42g liner, 50a ~ 50g wiring, 100 display device, 110 upper frames, 120 lower section frame, 145 flat cables, 150 signal of video signal generation devices, 200 display panels, 210 viewing areas, 300 interposers, 410 the 1st connectors, 420 the 2nd connectors
Embodiment
Below, with reference to the description of drawings embodiments of the present invention.In addition, in the accompanying drawings, give identical label for identical or equal element, the repetitive description thereof will be omitted.
Fig. 1 is the figure of the display device 100 of expression one embodiment of the present invention.Here, display device comprises liquid crystal indicator, organic EL(Electro-Luminescent, electroluminescence) display device etc., become the display device that the brightness corresponding with gray-scale value shows by each pixel.As shown in the drawing, display device 100 comprises: with display panel 200 with the mode of clamping fixing upper frame 110 and lower section frame 120; Image information is transformed to the interposer 300 of the form that can in display panel 200, show; And information that will conversion in this interposer 300 is delivered to the flexible printed board (FPC) 500 of display panel 200.
Fig. 2 is for the figure of explanation in the transmission of display device 100 signal of video signal of Fig. 1.As shown in Figure 2, the signal of video signal that generates in signal of video signal generation device 150 is delivered to interposer 300 via flat cable 145.In interposer 300, the signal of video signal that will generate in signal of video signal generation device 150 is transformed to the form that can show in display panel 200, and is transferred to display panel 200 by the 1st connector 410 and the 2nd connector 420 of coupling via FPC500.In display panel 200, by the clock action of drive IC (Integrated Circuit, integrated circuit) 220 in regulation, thereby demonstration is based on the image of signal of video signal in viewing area 210.
Fig. 3 is the figure that schematically shows the electrical connection of the 1st connector 410 of Fig. 2 and the 2nd connector 420 and peripheral circuit thereof.The 1st connector 410 is permanently connected with interposer 300 and becomes one, and the 2nd connector 420 is permanently connected with FPC500 and becomes one, and the 1st connector 410 can connect with the 2nd connector 420 with plugging.
As shown in the drawing, the 1st connector 410 has liner 41a ~ 41g, this liner 41a ~ 41g alternately staggers on the direction of the signal wire that the 1st wiring (the 1st signal wire) 30a ~ 30g of interposer 300 is electrically connected and 7 terminals arranging, the 2nd connector 420 has liner 42a ~ 42g, and this liner 42a ~ 42g alternately staggers on the direction of the signal wire that the 2nd wiring (the 2nd signal wire) 50a ~ 50g of FPC500 is electrically connected and the terminal arranging and be used for contacting respectively with the liner 41a ~ 41g of the 1st connector 410.If the 1st connector 410 normally connects with the 2nd connector 420, the then liner 42a of 2nd connector 420 corresponding with the liner 41a ~ 41g of the 1st connector 410 ~ 42g contact, and be electrically connected respectively.
In FPC500, be connected respectively to the liner 42a at two ends of the 2nd connector 420 and the 2nd wiring 50a and the 50g of 42g and mutually be electrically connected.In addition, in interposer 300, be connected respectively to the source electrode of transistor 31b ~ 31f and one of them in the drain electrode except the 1st wiring 30a of the liner 41a that is connected to two ends in the 1st connector 410 and 41g and the 1st wiring 30b ~ 30f branch the 30g.In addition, in the source electrode of transistor 31c and 31e and the drain electrode another is connected to instrumentation point MP1, in the source electrode of transistor 31b, 31d and 31f and the drain electrode another is connected to instrumentation point MP2, and the grid of each transistor 31b ~ 31f is connected to common gate line 32.In addition, in the present embodiment, if used grid is applied the then transistor of the N-shaped of conducting of high voltage, but also can be the transistorized structure of having used p-type.
In addition, the 1st wiring 30g is connected with instrumentation point MP1, and the 1st 30a that connects up is connected with gate line and is executed respectively alive application point AP1 and be connected with AP2.In Fig. 3, make up by the setting to switch, be not connected to the wiring that dots of these points can be via the element with high impedance ground connection.In the explanation of inspection step afterwards, suppose the ground connection via the element with high impedance.
Then, illustrate and use the connector peripheral circuit that connects as shown in Figure 3, check the method for the 1st connector 410 and the connection of the 2nd connector 420.Fig. 4 is the process flow diagram of the inspection step S100 of expression the 1st connector 410 and the connection of the 2nd connector 420.In addition, the processing of putting down in writing in this process flow diagram is to use the program preserve and use not shown treating apparatus and carry out in not shown memory storage.Shown in this process flow diagram, at first, in step S11, AP1 applies high voltage to the application point, in step S12, confirms whether to detect high voltage in instrumentation point MP1.Thus, can confirm liner 41a and the 41g and the situation that liner 42a and the 42gh at the two ends of the 2nd connector 420 are electrically connected respectively at the two ends of the 1st connector 410, check the connection at connector two ends.
In the situation for the judgement negated in step S12, transfer to step S15, so check mistake etc., detection of end step S100 because the connection of connector checks defective demonstrations.On the other hand, in the situation that is sure judgement, enter step S13, AP2 applies high voltage to the application point, then in step S14, checks whether detect low-voltage in instrumentation point MP2.
Here, if AP2 applies high voltage to the application point, then transistor 31b ~ 31f conducting, the high voltage that in step S12, application point AP1 is applied from the 1st wiring 30a via the 2nd wiring 50a, the 2nd wiring 50g, the 1st wiring 30g, transistor 31e and 31c, with the voltage of liner 41e and 41c as high voltage.Therefore, with liner 41a in this path and 41g accordingly, liner 41a, 41c, 41e and 41g become high voltage, liner 41b, 41d and 41f between these liners keep low-voltage, so in the situation of any short circuit in adjacent liner, in instrumentation point MP2, detect high voltage.Here, detect high voltage in instrumentation point MP2, in the situation for negative judgement in step S14, transfer to step S15, the connection inspection of connector becomes defective and shows inspection mistake etc., finishes inspection step S100.On the other hand, detecting in the situation of low-voltage, in step S16, carrying out the processing of passed examination, finishing to check step S100.Under checking as underproof situation, also can carry out reconnecting of connector etc., again rechecking step S100.
Here, shown in the process flow diagram of Fig. 5, the step S21 that adopts step S13 and step S11 with Fig. 4 to carry out simultaneously also can carry out same inspection.
Fig. 6 is the process flow diagram of the manufacturing step of expression display device 100.Shown in this process flow diagram, at first, in the display panel manufacturing step S51 of step S51, make the display panel 200 that is consisted of by active-matrix substrate.Then, in step S52, make to be used for image information is transformed to the interposer 300 of the form that can show at display panel 200, thereby to prepare, in step S53, the display panel 200 of making is connected with interposer connects by FPC500.In following step S100, be implemented in inspection step S100 illustrated in fig. 4, affirmation FPC500 is connected with interposer 300.Here, under checking as underproof situation, also can carry out reconnecting of connector etc., again rechecking step S100.Finally, in the display device number of assembling steps of step S54, at the display panel 200 of having confirmed to connect upper frame 110, lower section frame 120 etc. are installed, finish display device, finish the display device manufacturing step.
In addition, in the present embodiment, in order to illustrate, the number of the liner of the 1st connector 410 and the 2nd connector 420 is 7, but the number of liner is not limited thereto, and more or less can.In addition, liner be arranged as 2 row, but also can arrange by 1 leu time, also can dispose by above arrangement of 3 row.At this moment, also need adjacent liner is alternately applied noble potential and electronegative potential.
In addition, in the present embodiment, with be connected to the 2nd connector two ends liner the 2nd the wiring signal wire interconnect, but also can be as shown in Figure 7, the reason that adds up to even number etc. according to the liner number of the 1st connector 430 and the 2nd connector 440, use is connected to 2 FPC510 that signal wire 51c is connected with 51g of terminal of the terminal at the two ends that are not the 2nd connector in the 2nd wiring, in interposer 310, the application point AP1 that is connected to the 2nd wiring 35c from the end is applied voltage.
Claims (10)
1. a connector connects check circuit, it is characterized in that, comprising:
The 1st connector has a plurality of terminals;
The 1st signal wire, the 1st signal wire are a plurality of signal wires that are electrically connected to respectively described a plurality of terminals of described the 1st connector;
The 2nd connector has a plurality of terminals that can be electrically connected with each terminal of described the 1st connector with plugging;
The 2nd signal wire, the 2nd signal wire are a plurality of signal wires that are electrically connected to respectively each terminal of described the 2nd connector;
The 1st instrumentation terminal, the 1st instrumentation terminal are that a part of signal wire in a plurality of signal wires of described the 1st signal wire, except the signal wire of two terminals of the regulation that is connected to described the 1st connector is connected a terminal that connects via transistorized source electrode respectively with drain electrode;
The 2nd instrumentation terminal, the 2nd instrumentation terminal are that the remaining signal wire in a plurality of signal wires of described the 1st signal wire, except the signal wire of two terminals of the described regulation that is connected to described the 1st connector is connected a terminal that connects via transistorized source electrode respectively with drain electrode; And
A signal line is connected to described transistorized each grid jointly,
In described the 1st signal wire, be connected in two signal wires of two terminals of described regulation of described the 1st connector one be connected to described the 1st instrumentation terminal,
In described the 2nd signal wire, two signal wires being connected to two terminals of described 2nd connector corresponding with two terminals of the described regulation of described the 1st connector are electrically connected mutually.
2. connector as claimed in claim 1 connects check circuit, it is characterized in that,
Each signal wire of described a part of signal wire and each signal wire of described remaining signal wire alternately are connected to the terminal of a plurality of arrangements of described the 1st connector.
3. connector as claimed in claim 1 connects check circuit, it is characterized in that,
When checking, in described the 1st signal wire, be connected in two signal wires of two terminals of described regulation of described the 1st connector another and apply the current potential of regulation, and described signal line is applied the current potential that makes described source electrode and drain electrode conducting.
4. each the described connector such as claims 1 to 3 connects check circuit, it is characterized in that,
Two terminals that terminal is the two ends of described the 1st connector of described regulation.
5. display device comprises:
Display panel;
Interposer sends signal of video signal to described display panel;
Flexible printed board, with described display panel be connected interposer and connect; And
Connector claimed in claim 1 connects check circuit, is used for checking described interposer and being connected the connection of flexible printed board by connector.
6. a connector connects inspection method, carry out the connection inspection of the 1st connector and the 2nd connector, described the 1st connector has a plurality of terminals that each signal wire as the 1st signal wire of a plurality of signal wires is electrically connected respectively, a plurality of terminals that described the 2nd connector has that each signal wire as the 2nd signal wire of a plurality of signal wires is electrically connected respectively and can be electrically connected with each terminal of described the 1st connector with plugging
Described connector connects inspection method and comprises:
Terminal connects the inspection step, two signal wires that are connected in described the 2nd signal wire of two terminals of regulation of described the 2nd connector are electrically connected mutually, the signal wire of a terminal in two terminals that are connected to described the 1st connector corresponding with the terminal of described regulation is applied the voltage of regulation, check in the signal wire of another terminal in being connected to two terminals of described the 1st connector whether measure the described voltage that applies; And
In abutting connection with terminal test for short-circuit step, in a plurality of signal wires of described the 1st signal wire, in the arrangement of the terminal of described the 1st connector, be connected to the signal wire every one terminal that comprises described another terminal and jointly connect, a described end is applied the described voltage of regulation, check in the common signal wire that is electrically connected of described each terminal between one terminal whether measure the described voltage that applies.
7. connector as claimed in claim 6 connects inspection method, it is characterized in that,
Described terminal connects the inspection step and described walking abreast in abutting connection with terminal test for short-circuit step carried out.
8. connector as claimed in claim 6 connects inspection method, it is characterized in that,
The signal wire that is connected to the terminal except two terminals of described the 1st connector is inserted, so that connect respectively transistorized source electrode and drain electrode,
In terminal test for short-circuit step, described transistorized grid is applied the forward voltage of source electrode and drain electrode and instrumentation voltage described.
9. each the described connector such as claim 6 to 8 connects inspection method, it is characterized in that,
Two terminals that terminal is the two ends of described the 2nd connector of described regulation.
10. the manufacture method of a display device comprises:
The display panel manufacturing step is made display panel with the glass substrate that has formed thin film transistor (TFT);
The interposer preparation process is prepared for the interposer of image signal transmitting being delivered to described display panel;
Connection Step, with described display panel be connected interposer and connect by flexible cable; And
Used connector claimed in claim 6 to connect the inspection step of inspection method, checked described interposer and be connected the connection of flexible cable.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011-196787 | 2011-09-09 | ||
| JPJP2011-196787 | 2011-09-09 | ||
| JP2011196787A JP2013058428A (en) | 2011-09-09 | 2011-09-09 | Connector connection checking circuit, display, method for checking connector connection, and method for manufacturing display |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102998576A true CN102998576A (en) | 2013-03-27 |
| CN102998576B CN102998576B (en) | 2015-07-15 |
Family
ID=47927396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210332332.0A Active CN102998576B (en) | 2011-09-09 | 2012-09-10 | Connector connection checking circuit and method, display device and manufacturing method thereof |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2013058428A (en) |
| CN (1) | CN102998576B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112166331A (en) * | 2018-05-23 | 2021-01-01 | 堺显示器制品株式会社 | Connection system |
| CN113614817A (en) * | 2019-03-25 | 2021-11-05 | 株式会社日本显示器 | Display device |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101888311B1 (en) * | 2017-08-22 | 2018-08-13 | 엘지전자 주식회사 | Diagnostic device and operating method thereof |
| JP6991873B2 (en) * | 2018-01-31 | 2022-01-13 | 株式会社ジャパンディスプレイ | Display device and inspection method |
| JP7135523B2 (en) * | 2018-07-17 | 2022-09-13 | 株式会社デンソー | Inspection device and inspection method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006092868A (en) * | 2004-09-22 | 2006-04-06 | Toshiba Tec Corp | Power supply device with flexible cable oblique insertion prevention function and flexible cable |
| US20060284821A1 (en) * | 2005-06-17 | 2006-12-21 | Hitachi Displays, Ltd. | Display device and inspection method of position gap |
| CN1940581A (en) * | 2005-09-30 | 2007-04-04 | 联想(北京)有限公司 | Method and device for inspecting display unit connecting state |
| CN101140311A (en) * | 2007-02-15 | 2008-03-12 | 中兴通讯股份有限公司 | Connector contact condition automatic detection device and method |
| CN101206323A (en) * | 2006-12-22 | 2008-06-25 | 三星电子株式会社 | Liquid crystal display, connector and method of testing the liquid crystal display |
| CN101526577A (en) * | 2008-03-07 | 2009-09-09 | 佛山市顺德区顺达电脑厂有限公司 | Connector detection tool |
| WO2010016312A1 (en) * | 2008-08-06 | 2010-02-11 | シャープ株式会社 | Liquid crystal display device testing method and liquid crystal display device |
| CN102033187A (en) * | 2009-10-06 | 2011-04-27 | 株式会社东芝 | Apparatus and method for detecting connector connection state and image forming apparatus |
-
2011
- 2011-09-09 JP JP2011196787A patent/JP2013058428A/en not_active Withdrawn
-
2012
- 2012-09-10 CN CN201210332332.0A patent/CN102998576B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006092868A (en) * | 2004-09-22 | 2006-04-06 | Toshiba Tec Corp | Power supply device with flexible cable oblique insertion prevention function and flexible cable |
| US20060284821A1 (en) * | 2005-06-17 | 2006-12-21 | Hitachi Displays, Ltd. | Display device and inspection method of position gap |
| CN1940581A (en) * | 2005-09-30 | 2007-04-04 | 联想(北京)有限公司 | Method and device for inspecting display unit connecting state |
| CN101206323A (en) * | 2006-12-22 | 2008-06-25 | 三星电子株式会社 | Liquid crystal display, connector and method of testing the liquid crystal display |
| CN101140311A (en) * | 2007-02-15 | 2008-03-12 | 中兴通讯股份有限公司 | Connector contact condition automatic detection device and method |
| CN101526577A (en) * | 2008-03-07 | 2009-09-09 | 佛山市顺德区顺达电脑厂有限公司 | Connector detection tool |
| WO2010016312A1 (en) * | 2008-08-06 | 2010-02-11 | シャープ株式会社 | Liquid crystal display device testing method and liquid crystal display device |
| CN102033187A (en) * | 2009-10-06 | 2011-04-27 | 株式会社东芝 | Apparatus and method for detecting connector connection state and image forming apparatus |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112166331A (en) * | 2018-05-23 | 2021-01-01 | 堺显示器制品株式会社 | Connection system |
| CN113614817A (en) * | 2019-03-25 | 2021-11-05 | 株式会社日本显示器 | Display device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2013058428A (en) | 2013-03-28 |
| CN102998576B (en) | 2015-07-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107180594B (en) | Display panel and display device | |
| CN103578357B (en) | The flat panel display equipment of plastic front board and this plastic front board of use | |
| CN103578358B (en) | Plastic display panel and the flat panel display equipment using this plastic display panel | |
| CN102998576B (en) | Connector connection checking circuit and method, display device and manufacturing method thereof | |
| CN102749743B (en) | Display device | |
| CN1881010B (en) | Display device and inspection method of position gap | |
| CN107195249A (en) | Display device | |
| US20100052719A1 (en) | Device and method for testing display panel | |
| CN105976745B (en) | Array substrate tests circuit, display panel and flat display apparatus | |
| JP2009047877A (en) | Chip-on glass type display module and its mounting inspection method | |
| US20090315459A1 (en) | Organic light emitting display device | |
| TWI299179B (en) | Dut interface of semiconductor test apparatus | |
| CN102339251A (en) | Test system and USB (universal serial bus) interface test connection card thereof | |
| CN109856499A (en) | A kind of driving part and its detection method, display device | |
| JP4115484B2 (en) | LCD panel inspection equipment | |
| US20040183985A1 (en) | Liquid crystal display apparatus | |
| KR20190079739A (en) | Display device and method of inspecting display device | |
| JP2012173598A (en) | Liquid crystal display device | |
| US8159646B2 (en) | Active device array substrate with particular test circuit | |
| US20210096408A1 (en) | Driving system of display device, driving method and display device | |
| US20240045545A1 (en) | Display panel | |
| TWI273248B (en) | Universal probing apparatus for TFT array test | |
| US7272760B2 (en) | Curve tracing device and method | |
| EP3813499A1 (en) | Flexible circuit film and display apparatus having same | |
| CN106226691A (en) | A kind of test equipment for relay |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: Tokyo, Japan, Japan Applicant after: Japan Display Central Inc. Address before: Chiba County, Japan Applicant before: Japan Display East Inc. |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: APAN DISPLAY EAST, INC. TO: JAPAN DISPLAY, INC. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |