CN109859662A - Combined display screen and interface yield detection method - Google Patents
Combined display screen and interface yield detection method Download PDFInfo
- Publication number
- CN109859662A CN109859662A CN201910258432.5A CN201910258432A CN109859662A CN 109859662 A CN109859662 A CN 109859662A CN 201910258432 A CN201910258432 A CN 201910258432A CN 109859662 A CN109859662 A CN 109859662A
- Authority
- CN
- China
- Prior art keywords
- pin
- detection
- state
- threshold
- splicing interface
- 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
Landscapes
- Controls And Circuits For Display Device (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The present invention provides a kind of combined display screen and interface yield detection method.The combined display screen includes at least two pieces of display panels, the splicing interface that there is each described display panel at least one to be used to be electrically connected with other display panels in the combined display screen, the splicing interface includes multiple connection pins and measure loop, and the measure loop is made of multiple detection pins and detection cabling；Wherein, the corresponding connection pin that the multiple connection pin is used in the splicing interface with other display panels is electrically connected, and galvanic circle is not present between multiple connection pins in the same splicing interface；The multiple detection pin and the multiple connection pin correspond, each detection pin is set to beside corresponding connection pin, and is electrically insulated with the connection pin；The multiple detection pin is connected by the detection cabling, forms galvanic circle, the galvanic circle is electrically insulated with the connection pin.
Description
Technical field
The present invention relates to field of electronic display more particularly to a kind of combined display screens and interface yield detection method.
Background technique
With the development of display technology, pole narrow frame splicing (Extremely Narrow Border, ENB) becomes
The preferred option that outdoor large area electron is shown.ENB technology is spliced to form overlarge area using muti-piece small size display screen
Outdoor electronic display screen effectively reduces the cost that outdoor electronic is shown.
Side splicing (Side Bonding) technology is the key technology for influencing ENB and showing quality, improves side splicing
Yield can effectively reduce splicing cost.In the prior art, the pin in the interface of splicing panel would generally due to abrasion or
It hits by raw physical damage, is broken, splicing is caused to fail.The defect as caused by this physical damnification is uncontrollable, is spelling
Connecing completion can just be found later.If there is failures such as poor contact, Joint failures, then needs to reinstall, greatly increase
Cost is added.
Therefore need to propose that a kind of method detects in the splicing of side the defects of interface of display panel and bad in advance, with
Improve the yield of side splicing.
Summary of the invention
The present invention provides a kind of combined display screen and interface yield detection method, to solve combination display in the prior art
Shield the high technical problem of installation cost.
To solve the above problems, the present invention provides a kind of combined display screens comprising at least two pieces of display panels, it is each
The splicing that there is a display panel at least one to be used to be electrically connected with other display panels in the combined display screen connects
Mouthful, the splicing interface includes multiple connection pins and measure loop, and the measure loop is walked by multiple detection pins and detection
Line is constituted；Wherein, the multiple connection pin is used for the corresponding connection pin electricity in the splicing interface with other display panels
It connects, galvanic circle is not present between multiple connection pins in the same splicing interface；The multiple detection pin with it is described
Multiple connection pins correspond, each detection pin is set to beside corresponding connection pin, and with the company
Connect pin electrical isolation；The multiple detection pin by the detection cabling connect, formed galvanic circle, the galvanic circle with
The connection pin electrical isolation.
One aspect according to the present invention, detection the distance between the pin and corresponding connection pin are small
In equal to 10nm.
One aspect according to the present invention, the detection pin and corresponding connection pin shape having the same
Shape, material and specification.
One aspect according to the present invention, external detection device pass through the detection pin and measure loop electricity
Connection obtains the resistance of the measure loop, and the state of the splicing interface is judged according to the resistance value of the resistance.
One aspect according to the present invention, when the resistance of the measure loop measured is less than first threshold,
Judge that the display panel is in first state；Wherein, all detection pins of the display panel in first state are in
Serviceable condition, the maximum value when first threshold is the measure loop in first state.
One aspect according to the present invention, when the resistance of the measure loop measured is greater than first threshold and small
When second threshold, judge that the display panel is in the second state；Wherein, in the display panel in the second state, half
Or pin more than half is in serviceable condition, the maximum resistance when first threshold is the splicing interface in first state
Value, the second threshold are the minimum that the number of pins of damage is less than or equal to splicing interface when number of pins half
Resistance value.
One aspect according to the present invention, when the resistance of the measure loop measured is greater than second threshold,
Judge that the display panel is in the third state；Wherein, in the display panel in the third state, half or half is below draws
Foot is in serviceable condition, and the second threshold is that the number of pins of damage is less than or equal to spelling when number of pins half
The minimum resistance value of connection interface.
Correspondingly, the present invention also provides a kind of interface yield detection methods, for the display in detection combination display screen
The connection status of the splicing interface of panel, method includes the following steps:
Combined display screen is provided, the combined display screen includes at least two pieces of display panels, each described display panel
With the splicing interface that at least one is used to be electrically connected with other display panels in the combined display screen, each is described aobvious
Show the splicing interface that there is panel at least one to be used to be electrically connected with other display panels in the combined display screen, the spelling
Connection interface includes multiple connection pins and measure loop, and the measure loop is made of multiple detection pins and detection cabling；It will
The measure loop obtains the resistance of the measure loop, and according to the resistance by being electrically connected with external detection device
Resistance value judges the state of the splicing interface；Wherein, the multiple connection pin is for the splicing interface with other display panels
In corresponding connection pin electrical connection, it is same splicing interface in multiple connection pins between be not present galvanic circle；Institute
It states multiple detection pins and the multiple connection pin corresponds, each detection pin is set to corresponding connection and draws
Beside foot, and it is electrically insulated with the connection pin；The multiple detection pin is connected by the detection cabling, is formed conductive
Circuit, the galvanic circle are electrically insulated with the connection pin.
One aspect according to the present invention, when the resistance of the measure loop measured is less than first threshold,
Judge that the splicing interface is in first state；Wherein, all pins in the splicing interface in first state have been in
Good state, the maximum value when first threshold is the splicing interface in first state.
One aspect according to the present invention, when the resistance of the measure loop measured is greater than first threshold and small
When second threshold, judge that the splicing interface is in the second state；Wherein, in the splicing interface in the second state, half
Or pin more than half is in serviceable condition, the maximum resistance when first threshold is the splicing interface in first state
Value, the second threshold are the minimum that the number of pins of damage is less than or equal to splicing interface when number of pins half
Resistance value.
One aspect according to the present invention, when the resistance of the measure loop measured is greater than second threshold,
Judge that the splicing interface is in the third state；Wherein, in the splicing interface in the third state, half or half is below draws
Foot is in serviceable condition, and the second threshold is that the number of pins of damage is less than or equal to spelling when number of pins half
The minimum resistance value of connection interface.
Measure loop is provided in display panel of the invention, the measure loop includes multiple detection pins and connection institute
The detection cabling of detection pin is stated, the detection cabling is the display panel edge to be arranged in and around the display panel
Closed circuit.The circuit shape of the interface can be detected before combined display screen assembling by the measure loop
State avoids repeating to install due to interface fault, reduces installation cost.
Detailed description of the invention
Fig. 1 is the structural representation of a display panel in the combined display screen in a specific embodiment of the invention
Figure；
Fig. 2 is the enlarged diagram of the a-quadrant in Fig. 1.
Specific embodiment
The explanation of following embodiment is referred to the additional illustration, the particular implementation that can be used to implement to illustrate the present invention
Example.The direction term that the present invention is previously mentioned, such as [on], [under], [preceding], [rear], [left side], [right side], [interior], [outer], [side]
Deng being only the direction with reference to annexed drawings.Therefore, the direction term used be to illustrate and understand the present invention, rather than to
The limitation present invention.The similar unit of structure is with being given the same reference numerals in the figure.
The present invention provides a kind of combined display screen and interface yield detection method, to solve combination display in the prior art
Shield the high technical problem of installation cost.Below in conjunction with attached drawing, the present invention is described in detail.
Referring to Fig. 1, Fig. 1 is the knot of a display panel in the combined display screen in a specific embodiment of the invention
Structure schematic diagram.As shown in Figure 1, the combined display screen includes at least two pieces of display panels, each described display panel has
Operating space 110 and at least one splicing interface 120 for being used to be electrically connected with other display panels in the combined display screen.
The splicing interface 120 includes multiple connection pins 124 and measure loop, and the measure loop is drawn by multiple detections
Foot and detection cabling are constituted.Referring to fig. 2, Fig. 2 is the enlarged diagram of the a-quadrant in Fig. 1, and a-quadrant is splice interface 120 one
Part.Wherein, the multiple connection pin 124 with the corresponding connection in the splicing interface 120 of other display panels for drawing
Foot 124 is electrically connected, and galvanic circle is not present between multiple connection pins 124 in the same splicing interface 120.
The multiple detection pin 122 is corresponded with the multiple connection pin 124, each detection pin 122 is set
It is placed in corresponding 124 side of connection pin, and is electrically insulated with the connection pin 124.The multiple detection pin 122
It is connected by the detection cabling 126, forms galvanic circle, the galvanic circle is electrically insulated with the connection pin 124.
When multiple display panel combinations form combined display screen, adjacent display panel passes through the multiple connection pin
124 realize electrical connection.Multiple connection pins 124 realize local functional electric connection by splicing cabling 128.
External detection device is electrically connected by the detection pin 122 with the measure loop, and the measure loop is obtained
Resistance, and according to the resistance value of the resistance judge it is described splicing interface 120 state.
When the connection pin of the splicing interface receives physical hazard, the detection pin beside the connection pin also can
Generate just as or similar damage, cause the resistance of measure loop to increase, or even breaking.Therefore, by obtaining described detect back
The resistance on road is the state that can determine whether the connection pin 124.
Preferably, for the physical state of accurate reaction forming pin 124, the detection pin 122 and corresponding
The distance between connection pin 124 be less than or equal to 10nm, and the detection pin 122 and corresponding connection pin 124
It is of similar shape, material and specification.
In the present embodiment, when the resistance of the measure loop measured is less than first threshold, judge the display
Panel is in first state；Wherein, all detection pins 122 of the display panel in first state are in serviceable condition,
The maximum value when first threshold is the measure loop in first state.In general, when the detection pin 122 is in
When serviceable condition, the resistance of the measure loop is tens ohms.In the present embodiment, the first threshold, which is arranged, is
200 ohm.
When the resistance of the measure loop measured is greater than first threshold and is less than second threshold, the display is judged
Panel is in the second state；Wherein, in the display panel in the second state, half or pin more than half are in intact shape
State, the maximum value when first threshold is the splicing interface 120 in first state, the second threshold is drawing for damage
Foot number is less than or equal to the minimum resistance value of the splicing interface 120 when number of pins half.In general, when more than half
When the detection pin 122 is in serviceable condition, the resistance of the measure loop is several hundred ohms to thousands of ohms.At this
In embodiment, it is 2000 ohm that the second threshold, which is arranged,.
When the resistance of the measure loop measured is greater than second threshold, judge that the display panel is in third shape
State；Wherein, in the display panel in the third state, half or half pin below are in serviceable condition, second threshold
Value is the minimum resistance value that the number of pins of damage is less than or equal to the splicing interface 120 when number of pins half.
Correspondingly, the present invention also provides a kind of interface yield detection methods, for the display in detection combination display screen
The connection status of the splicing interface 120 of panel, method includes the following steps:
Firstly, providing combined display screen.
Specifically, as shown in Figure 1, the combined display screen includes at least two pieces of display panels, each described display surface
Plate has operating space 110 and at least one splicing interface for being used to be electrically connected with other display panels in the combined display screen
120。
The splicing interface 120 includes multiple connection pins 124 and measure loop, and the measure loop is drawn by multiple detections
Foot and detection cabling are constituted.Referring to fig. 2, Fig. 2 is the enlarged diagram of the a-quadrant in Fig. 1, and a-quadrant is splice interface 120 one
Part.Wherein, the multiple connection pin 124 with the corresponding connection in the splicing interface 120 of other display panels for drawing
Foot 124 is electrically connected, and galvanic circle is not present between multiple connection pins 124 in the same splicing interface 120.
The multiple detection pin 122 is corresponded with the multiple connection pin 124, each detection pin 122 is set
It is placed in corresponding 124 side of connection pin, and is electrically insulated with the connection pin 124.The multiple detection pin 122
It is connected by the detection cabling 126, forms galvanic circle, the galvanic circle is electrically insulated with the connection pin 124.
When multiple display panel combinations form combined display screen, adjacent display panel passes through the multiple connection pin
124 realize electrical connection.Multiple connection pins 124 realize local functional electric connection by splicing cabling 128.
Later, the measure loop is obtained into the resistance of the measure loop by being electrically connected with external detection device, and
The state of the splicing interface 120 is judged according to the resistance value of the resistance.
When the connection pin of the splicing interface receives physical hazard, the detection pin beside the connection pin also can
Generate just as or similar damage, cause the resistance of measure loop to increase, or even breaking.Therefore, by obtaining described detect back
The resistance on road is the state that can determine whether the connection pin 124.
Preferably, for the physical state of accurate reaction forming pin 124, the detection pin 122 and corresponding
The distance between connection pin 124 be less than or equal to 10nm, and the detection pin 122 and corresponding connection pin 124
It is of similar shape, material and specification.
In the present embodiment, when the resistance of the measure loop measured is less than first threshold, judge the display
Panel is in first state；Wherein, all detection pins 122 of the display panel in first state are in serviceable condition,
The maximum value when first threshold is the measure loop in first state.In general, when the detection pin 122 is in
When serviceable condition, the resistance of the measure loop is tens ohms.In the present embodiment, the first threshold, which is arranged, is
200 ohm.
When the resistance of the measure loop measured is greater than first threshold and is less than second threshold, the display is judged
Panel is in the second state；Wherein, in the display panel in the second state, half or pin more than half are in intact shape
State, the maximum value when first threshold is the splicing interface 120 in first state, the second threshold is drawing for damage
Foot number is less than or equal to the minimum resistance value of the splicing interface 120 when number of pins half.In general, when more than half
When the detection pin 122 is in serviceable condition, the resistance of the measure loop is several hundred ohms to thousands of ohms.At this
In embodiment, it is 2000 ohm that the second threshold, which is arranged,.
When the resistance of the measure loop measured is greater than second threshold, judge that the display panel is in third shape
State；Wherein, in the display panel in the third state, half or half pin below are in serviceable condition, second threshold
Value is the minimum resistance value that the number of pins of damage is less than or equal to the splicing interface 120 when number of pins half.
Measure loop is provided in display panel of the invention, the measure loop includes multiple detection pins 122 and connects
The detection cabling 126 of the detection pin 122 is connect, the detection cabling 126 is setting at the display panel edge and surround
The closed circuit of the display panel.It can be detected before combined display screen assembling by the measure loop described
The circuit state of interface avoids repeating to install due to interface fault, reduces installation cost.
Measure loop is provided in display panel of the invention, the measure loop includes multiple detection pins and connection institute
The detection cabling of detection pin is stated, the detection cabling is the display panel edge to be arranged in and around the display panel
Closed circuit.The circuit shape of the interface can be detected before combined display screen assembling by the measure loop
State avoids repeating to install due to interface fault, reduces installation cost.
In conclusion although the present invention has been disclosed above in the preferred embodiment, but above preferred embodiment is not to limit
The system present invention, those skilled in the art can make various changes and profit without departing from the spirit and scope of the present invention
Decorations, therefore protection scope of the present invention subjects to the scope of the claims.
Claims (11)
1. a kind of combined display screen, which is characterized in that the combined display screen includes at least two pieces of display panels, described in each
The splicing interface that there is display panel at least one to be used to be electrically connected with other display panels in the combined display screen, it is described
Splicing interface includes multiple connection pins and measure loop, and the measure loop is made of multiple detection pins and detection cabling；
Wherein,
The corresponding connection pin that the multiple connection pin is used in the splicing interface with other display panels is electrically connected, same
Galvanic circle is not present between multiple connection pins in a splicing interface；
The multiple detection pin and the multiple connection pin correspond, each detection pin is set to corresponding
It connects beside pin, and is electrically insulated with the connection pin；
The multiple detection pin is connected by the detection cabling, forms galvanic circle, the galvanic circle and the connection
Pin electrical isolation.
2. combined display screen according to claim 1, which is characterized in that the detection pin and corresponding connection are drawn
The distance between foot is less than or equal to 10nm.
3. combined display screen according to claim 1, which is characterized in that the detection pin and corresponding connection are drawn
Foot is of similar shape, material and specification.
4. combined display screen according to claim 1, which is characterized in that external detection device by the detection pin and
The measure loop electrical connection, obtains the resistance of the measure loop, and judge described connect according to the resistance value of the resistance
The state of mouth.
5. combined display screen according to claim 4, which is characterized in that when the resistance of the measure loop measured is small
When first threshold, judge that the display panel is in first state；Wherein,
All detection pins of display panel in first state are in serviceable condition, and the first threshold is in first
The maximum value when measure loop of state.
6. combined display screen according to claim 4, which is characterized in that when the resistance of the measure loop measured is big
In first threshold and be less than second threshold when, judge that the display panel is in the second state；Wherein,
In display panel in the second state, half or pin more than half are in serviceable condition, and the first threshold is
Maximum value when splicing interface in first state, the second threshold be the number of pins of damage less than or equal to pin
The minimum resistance value of splicing interface when number half.
7. combined display screen according to claim 4, which is characterized in that when the resistance of the measure loop measured is big
When second threshold, judge that the display panel is in the third state；Wherein,
In display panel in the third state, half or half pin below are in serviceable condition, and the second threshold is
The number of pins of damage is less than or equal to the minimum resistance value of splicing interface when number of pins half.
8. a kind of interface yield detection method, the connection shape of the splicing interface for the display panel in detection combination display screen
State, which is characterized in that method includes the following steps:
Combined display screen is provided, the combined display screen includes at least two pieces of display panels, each described display panel has
At least one is used for the splicing interface being electrically connected with other display panels in the combined display screen, each described display surface
The splicing interface that there is plate at least one to be used to be electrically connected with other display panels in the combined display screen, it is described to connect
Mouth includes multiple connection pins and measure loop, and the measure loop is made of multiple detection pins and detection cabling；
By the measure loop by being electrically connected with external detection device, the resistance of the measure loop is obtained, and according to described
The resistance value of resistance judges the state of the splicing interface；Wherein,
The corresponding connection pin that the multiple connection pin is used in the splicing interface with other display panels is electrically connected, same
Galvanic circle is not present between multiple connection pins in a splicing interface；
The multiple detection pin and the multiple connection pin correspond, each detection pin is set to corresponding
It connects beside pin, and is electrically insulated with the connection pin；
The multiple detection pin is connected by the detection cabling, forms galvanic circle, the galvanic circle and the connection
Pin electrical isolation.
9. interface yield detection method according to claim 8, which is characterized in that when the resistance of the measure loop measured
When resistance value is less than first threshold, judge that the splicing interface is in first state；Wherein,
All pins in splicing interface in first state are in serviceable condition, and the first threshold is in the first shape
Maximum value when the splicing interface of state.
10. interface yield detection method according to claim 8, which is characterized in that when the electricity of the measure loop measured
Resistance value is hindered greater than first threshold and when being less than second threshold, judges that the splicing interface is in the second state；Wherein,
In splicing interface in the second state, half or pin more than half are in serviceable condition, and the first threshold is
Maximum value when splicing interface in first state, the second threshold be the number of pins of damage less than or equal to pin
The minimum resistance value of splicing interface when number half.
11. interface yield detection method according to claim 8, which is characterized in that when the electricity of the measure loop measured
When hindering resistance value greater than second threshold, judge that the splicing interface is in the third state；Wherein,
In splicing interface in the third state, half or half pin below are in serviceable condition, and the second threshold is
The number of pins of damage is less than or equal to the minimum resistance value of splicing interface when number of pins half.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910258432.5A CN109859662B (en) | 2019-04-01 | 2019-04-01 | Combined display screen and interface yield detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910258432.5A CN109859662B (en) | 2019-04-01 | 2019-04-01 | Combined display screen and interface yield detection method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109859662A true CN109859662A (en) | 2019-06-07 |
| CN109859662B CN109859662B (en) | 2021-11-02 |
Family
ID=66903028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910258432.5A Active CN109859662B (en) | 2019-04-01 | 2019-04-01 | Combined display screen and interface yield detection method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109859662B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101777295A (en) * | 2010-01-29 | 2010-07-14 | 信利半导体有限公司 | Detection line wiring method and manufacturing method of OLED (Organic Light Emitting Diode) display |
| CN101996534A (en) * | 2009-08-13 | 2011-03-30 | 台湾伊必艾科技有限公司 | Light transmitting display module and supporting structure and circuit board assembly thereof |
| CN102748659A (en) * | 2012-06-13 | 2012-10-24 | 深圳市华星光电技术有限公司 | Backlight source as well as backlight system and plane display device |
| CN103000163A (en) * | 2012-06-19 | 2013-03-27 | 苏州佳世达电通有限公司 | Display device, combined display device and combined application method of display device |
| CN203242247U (en) * | 2013-04-10 | 2013-10-16 | Tcl集团股份有限公司 | Splicing display device and splicing screen |
| CN107329724A (en) * | 2017-07-19 | 2017-11-07 | 京东方科技集团股份有限公司 | Display device and its display methods |
-
2019
- 2019-04-01 CN CN201910258432.5A patent/CN109859662B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101996534A (en) * | 2009-08-13 | 2011-03-30 | 台湾伊必艾科技有限公司 | Light transmitting display module and supporting structure and circuit board assembly thereof |
| CN101777295A (en) * | 2010-01-29 | 2010-07-14 | 信利半导体有限公司 | Detection line wiring method and manufacturing method of OLED (Organic Light Emitting Diode) display |
| CN102748659A (en) * | 2012-06-13 | 2012-10-24 | 深圳市华星光电技术有限公司 | Backlight source as well as backlight system and plane display device |
| CN103000163A (en) * | 2012-06-19 | 2013-03-27 | 苏州佳世达电通有限公司 | Display device, combined display device and combined application method of display device |
| CN203242247U (en) * | 2013-04-10 | 2013-10-16 | Tcl集团股份有限公司 | Splicing display device and splicing screen |
| CN107329724A (en) * | 2017-07-19 | 2017-11-07 | 京东方科技集团股份有限公司 | Display device and its display methods |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109859662B (en) | 2021-11-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109342513B (en) | Display panel and crack detection method for display panel | |
| CN103914176B (en) | Display device and disconnection repair method thereof | |
| CN102681279B (en) | Substrate for manufacturing procedure of array of panel display device, manufacturing method and corresponding liquid crystal display panel | |
| CN109752421A (en) | Display panel and display device | |
| CN104407481B (en) | Array substrate, detection method of failure of signal line, display panel and display device | |
| CN108807492A (en) | Display panel and preparation method thereof, detection method and display device | |
| CN109342512B (en) | Display panel and crack detection method for display panel | |
| CN102831852B (en) | TFT-LCD (thin film transistor-liquid crystal display) array substrate and test method of TFT-LCD array substrate | |
| US20180294291A1 (en) | Display panel, display apparatus, and method of repairing a signal line thereof | |
| CN203287657U (en) | Embedded-type touch color-film substrate and liquid crystal display | |
| TW201017191A (en) | Auto prove device and method of testing liquid crystal panel using the same | |
| CN101655627B (en) | Pixel array base plate with touch control function, repair method and plane display thereof | |
| CN202661566U (en) | Detector for pin of electronic element | |
| US11631619B2 (en) | Array substrate and fabricating method thereof, display panel and display device | |
| CN104051409B (en) | For the line construction of reparation and the flat panel display equipment with this line construction | |
| CN109859662A (en) | Combined display screen and interface yield detection method | |
| CN108920009B (en) | Touch display screen, display device and repairing method thereof | |
| CN203217211U (en) | Display panel and display device | |
| US20150123882A1 (en) | Display panel and testing method thereof | |
| CN108227324B (en) | Test key and test method for broken line repair and broken line repair method | |
| CN109142453A (en) | Display panel and display panel testing method | |
| CN109375826A (en) | A kind of touch screen, display device | |
| CN105446036B (en) | A kind of liquid crystal display panel and its restorative procedure | |
| JP3749592B2 (en) | Conductor array for flat panel displays | |
| CN102692776B (en) | The substrate of panel display apparatus, method for making and corresponding display panels |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |