CN202434175U - Improved universal test adapter plate for liquid crystal display - Google Patents
Improved universal test adapter plate for liquid crystal display Download PDFInfo
- Publication number
- CN202434175U CN202434175U CN2011205575191U CN201120557519U CN202434175U CN 202434175 U CN202434175 U CN 202434175U CN 2011205575191 U CN2011205575191 U CN 2011205575191U CN 201120557519 U CN201120557519 U CN 201120557519U CN 202434175 U CN202434175 U CN 202434175U
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- signal input
- jumper
- bonding pad
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Abstract
The utility model discloses an improved universal test adapter plate for a liquid crystal display (LCD). The improved universal test adapter plate comprises a plurality of signal input terminals and a plurality of signal output terminals in corresponding connection with the plurality of signal input terminals and also comprises an external component connecting area and a high and low voltage jumping area. The external component connecting area comprises a plurality of pads in corresponding connection with the plurality of signal input terminals; a free terminal of each pad is respectively in connection with a connecting terminal. The high and low voltage jumping area comprises a plurality of high voltage jumping terminals, jumping conduction terminals and low voltage jumping terminals arranged corresponding with the connecting terminals; each connecting terminal is in electric connection with a correspondingly arranged jumping conduction terminal. The universal test adapter plate is provided with an area for welding components necessary in a common test circuit and the high and low voltage jumping area, greatly reduces fly lines of test fixtures, lowers the cost of test and raises test reliability.
Description
Technical field
The utility model relates to a kind of test adaptor plate, relates in particular to a kind of modified form LCDs universal test card extender.
Background technology
LCDs must be confirmed display effect through lighting, and in sample size in advance when less or design is finally confirmed, general test board that can design special, and the slip-stick artist must use the universal test card extender, and manual fly line is made test fixture.As shown in Figure 1 to the test adaptor plate of LCDs in the prior art, this test adaptor plate comprises some signal input terminals and the corresponding one by one continuous signal output terminal of some and said some signal input terminals, each signal input terminal accordingly with the test signal input end of test circuit; Signal output terminal connects LCDs to be measured; Can find out that this test adaptor plate has only simple direct-connected function, when the LCDs driving interface complicated, when having more lead-in wire or outer member to connect; The wiring of test fixture just becomes and is in a mess; During production costs, reliability is relatively poor, and very difficult debugging.
The utility model content
The purpose of the utility model is to solve the problem of above-mentioned existence, and a kind of test fixture fly line, modified form LCDs universal test card extender that reliability is high of reducing is provided.
For realizing above-mentioned purpose, said modified form LCDs universal test card extender comprises the corresponding one by one signal output terminal that links to each other of some signal input terminals and some and said some signal input terminals, and each signal input terminal links to each other with display screen to be measured; Be characterized in, also comprise that external component bonding pad, said external component bonding pad comprise the corresponding one by one pad that links to each other of some and said some signal input terminals, the free end of each said pad connects a splicing ear respectively; And high low-voltage jumper zone, said high-low pressure jumper zone comprise several and high voltage jumper terminal, wire jumper Lead-through terminal and the low-voltage jumper terminal of the corresponding one by one setting of said splicing ear; Each said splicing ear and be electrically connected with the wire jumper Lead-through terminal of one of which one corresponding setting.
Preferably; Said modified form LCDs universal test card extender also comprises the backlight circuit bonding pad, and said backlight circuit bonding pad comprises backlight circuit test signal input terminal, test circuit backlight and the backlight circuit test signal lead-out terminal that is electrically connected in order; Said backlight circuit test signal lead-out terminal links to each other with display screen to be measured.
Preferably, said external component bonding pad is the external capacitive bonding pad, and this external capacitive bonding pad comprises the corresponding one by one electric capacity pad that links to each other of some and said some signal input terminals.
Preferably, between the corresponding one by one high voltage jumper terminal and wire jumper Lead-through terminal that is provided with, one by one between corresponding low-voltage jumper terminal that is provided with and the wire jumper Lead-through terminal and interconnect through jumper cap between each splicing ear.
The beneficial effect of the utility model is; Said modified form LCDs universal test card extender has been integrated external circuit function partly commonly used, promptly on card extender, has increased the zone that is used for welding the required components and parts of test circuit commonly used; And increased high low-voltage jumper zone; In test process, only need required components and parts to be soldered on the respective pad, and utilize jumper cap to carry out the connection of circuit according to test circuit; The user only need use lead-in wire to connect the corresponding test lead of display screen to be measured with the test signal input end of the signal input part connection test circuit of card extender and with the signal output part of card extender; Thereby significantly reduced the fly line of test fixture, reduced testing cost, and improved the reliability of test.
Description of drawings
Fig. 1 shows the structural representation of the liquid crystal display universal test card extender of prior art.
Fig. 2 shows the structural representation of the said modified form LCDs of the utility model universal test card extender.
Fig. 3 shows the circuit diagram of a test circuit.
Fig. 4 shows the synoptic diagram that test circuit shown in Figure 2 welds on said modified form LCDs universal test card extender.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is done further detailed explanation:
Fig. 2 shows the structural representation of the said modified form LCDs of the utility model universal test card extender; As shown in Figure 2; Said modified form LCDs universal test card extender; Comprise the corresponding one by one signal output terminal 400 that links to each other of some signal input terminals and some and said some signal input terminals, each signal input terminal links to each other with display screen to be measured, and said test adaptor plate also comprises external component bonding pad 200, high-low pressure jumper zone 100 and backlight circuit bonding pad 700.
Particularly, said external component bonding pad 200 comprises the corresponding one by one pad 202 that links to each other of some and said some signal input terminals, and the free end of each said pad 202 connects a splicing ear 201 respectively.Like this, the components and parts that the tester can be required with test circuit directly are welded on the corresponding pad 202, thereby have avoided outward element to constitute required test circuit, accomplish test job.Usually; Because the components and parts that need in the test circuit commonly used only relate to electric capacity; Therefore; Said external component bonding pad 200 is preferably the external capacitive bonding pad, and this external capacitive bonding pad comprises the corresponding one by one electric capacity pad that links to each other of some and said some signal input terminals, and the free end of each said electric capacity pad connects a splicing ear 201 respectively.
Said high-low pressure jumper zone 100 comprises several and high voltage jumper terminal 101, wire jumper Lead-through terminal 102 and the low-voltage jumper terminal 103 of the corresponding one by one setting of said splicing ear 201; Each said high voltage jumper terminal 101 is all connected noble potential, and each said low-voltage jumper terminal 103 is all connected electronegative potential; The said splicing ear 201 of each of external component bonding pad 200 and be electrically connected with the wire jumper Lead-through terminal of one of which one corresponding setting 102; Therefore; The tester only need be through simple jumper cap 500 grafting work; Just can accomplish connection work between each components and parts in the test circuit, each pin and the high electronegative potential; Between the promptly corresponding one by one high voltage jumper terminal 101 and wire jumper Lead-through terminal 102 that is provided with, one by one between the corresponding low-voltage jumper terminal 103 that is provided with and the wire jumper Lead-through terminal 102 and interconnect through jumper cap 500 between each splicing ear 201, simple to operate, reliability property is strong.
Test process to LCDs is following; According to the nominative testing circuit; Components and parts required in the test circuit are welded on the corresponding pad 202 of external component bonding pad 200 of said card extender; And, realize that the circuit that relates to external component, pin and high electronegative potential part in the test circuit connects through grafting jumper cap 500 on required splicing ear 201, wire jumper Lead-through terminal 102, high voltage jumper terminal 101 and low-voltage jumper terminal 103.In addition; Each signal input terminal is linked to each other with the test signal input end of corresponding test circuit; And each signal output terminal 400 linked to each other with the corresponding test lead of LCDs to be measured, thereby realize that test signal inputs in the LCDs to be measured through said card extender, according to different test signals; Observe the reaction of LCDs, to carry out the judgement of its quality quality.
Test job to LCDs also comprises the test to the backlight circuit of display screen, therefore on said test adaptor plate, has increased corresponding backlight circuit bonding pad 700.Said backlight circuit bonding pad 700 comprises backlight circuit test signal input terminal K, A, test circuit backlight and the backlight circuit test signal lead-out terminal that is electrically connected in order; Said backlight circuit test signal lead-out terminal links to each other with display screen to be measured.Test process to said backlight circuit is following; Each backlight circuit test signal input terminal K, A are linked to each other with the backlight circuit test signal input end of corresponding test circuit; And each backlight circuit test signal lead-out terminal linked to each other with the backlight circuit test lead of LCDs to be measured; Thereby realize that the backlight circuit test signal inputs in the backlight circuit of LCDs to be measured through said card extender; According to different test signals, observe the LCD screen backlight circuit unlatching, close or the adjusting of brightness of backlight, to carry out the judgement of its quality quality.
Fig. 3 and Fig. 4 show the synoptic diagram that a test circuit and this test circuit weld respectively on said modified form LCDs universal test card extender, like Fig. 3 and shown in Figure 4, test circuit comprises 9 external component; Contrast test circuit shown in Figure 3, capacitor C 1 is welded on the pad 202 of respective signal input terminal 18 in the external component bonding pad 200, an end of capacitor C 1 links to each other with signal input terminal 18; Simultaneously, the wire jumper Lead-through terminal 102 and the high voltage jumper terminal 101 of respective signal input terminal 18 link together through jumper cap 500, because the splicing ear 201 of respective signal input terminal 18 has been preset as connected state with wire jumper Lead-through terminal 102; Therefore; The other end that is equal to said capacitor C 1 connects noble potential, further, each high voltage jumper terminal 101 is connected the noble potential of 3.0V; Each low-voltage jumper terminal 103 is connected ground; Be electronegative potential, like this, the other end of said capacitor C 1 connects the 3.0V noble potential shown in test circuit.
In like manner; Capacitor C 2 to C9 is welded in order on the pad 202 of respective signal input terminal 20,22,24,26,27,28,29 in the external component bonding pad 200 and 30, realizes that the end of C2 to C9 connects signal input terminal 20,22,24,26,27,28,29 and 30 respectively.Simultaneously; Through grafting jumper cap 500 two splicing ears 201 of two splicing ears 201,21 of respective signal input terminal 19 and 20 and 22 and two splicing ears 201 of 23 and 24 are coupled together; The other end of realizing capacitor C 2, C3 and C4 is connected signal input terminal 19,21 and 23 respectively; And; Couple together with low-voltage jumper terminal 103 through the respective patch cord Lead-through terminal 102 of grafting jumper cap 500, realize that the other end of capacitor C 5 to C9 connects electronegative potential respectively, promptly respective signal input terminal 26 to 30.In addition; Respective signal input terminal 15,17,32 is connected with high voltage jumper terminal 101 with 33 wire jumper Lead-through terminal 102; Respective signal input terminal 14,16 is connected with low-voltage jumper terminal 103 with 31 wire jumper Lead-through terminal 102, to satisfy the initial conditions of the high electronegative potential in the test circuit.To sum up; Accomplished being connected of components and parts in the test circuit shown in Figure 3 and relevant high electronegative potential, in the test process, only needed corresponding test signal is inputed to corresponding signal input terminal; And then through said card extender, test signal inputed in the LCDs to be measured get final product.
Being merely the utility model preferred embodiment in sum, is not the practical range that is used for limiting the utility model.Be that all equivalences of doing according to the content of the utility model claim change and modification, all should belong to the technological category of the utility model.
Claims (4)
1. a modified form LCDs universal test card extender comprises the corresponding one by one signal output terminal that links to each other of some signal input terminals and some and said some signal input terminals, and each signal input terminal links to each other with display screen to be measured; It is characterized in that: also comprise,
External component bonding pad, said external component bonding pad comprise the corresponding one by one pad that links to each other of some and said some signal input terminals, and the free end of each said pad connects a splicing ear respectively; And,
High low-voltage jumper zone, said high low-voltage jumper zone comprise several and high voltage jumper terminal, wire jumper Lead-through terminal and the low-voltage jumper terminal of the corresponding one by one setting of said splicing ear; Each said splicing ear and be electrically connected with the wire jumper Lead-through terminal of one of which one corresponding setting.
2. according to the said modified form LCDs of claim 1 universal test card extender; It is characterized in that: also comprise the backlight circuit bonding pad, said backlight circuit bonding pad comprises backlight circuit test signal input terminal, test circuit backlight and the backlight circuit test signal lead-out terminal that is electrically connected in order; Said backlight circuit test signal lead-out terminal links to each other with display screen to be measured.
3. according to claim 1 or 2 said modified form LCDs universal test card extenders; It is characterized in that: said external component bonding pad is the external capacitive bonding pad, and this external capacitive bonding pad comprises the corresponding one by one electric capacity pad that links to each other of some and said some signal input terminals.
4. according to claim 1 or 2 said modified form LCDs universal test card extenders, it is characterized in that: between the corresponding one by one high voltage jumper terminal and wire jumper Lead-through terminal that is provided with, one by one between the corresponding low-voltage jumper terminal that is provided with and the wire jumper Lead-through terminal and interconnect through jumper cap between each splicing ear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205575191U CN202434175U (en) | 2011-12-28 | 2011-12-28 | Improved universal test adapter plate for liquid crystal display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205575191U CN202434175U (en) | 2011-12-28 | 2011-12-28 | Improved universal test adapter plate for liquid crystal display |
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| Publication Number | Publication Date |
|---|---|
| CN202434175U true CN202434175U (en) | 2012-09-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011205575191U Expired - Fee Related CN202434175U (en) | 2011-12-28 | 2011-12-28 | Improved universal test adapter plate for liquid crystal display |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103682896A (en) * | 2013-12-20 | 2014-03-26 | 深圳市华星光电技术有限公司 | Signal insertion panel for checking images of liquid crystal display device |
| CN105738059A (en) * | 2016-04-11 | 2016-07-06 | 哈尔滨建成集团有限公司 | Fixture transfer plate for stern room vibration test |
| CN111261055A (en) * | 2020-01-21 | 2020-06-09 | 京东方科技集团股份有限公司 | OLED display screen and OLED display device |
| WO2020199406A1 (en) * | 2019-04-01 | 2020-10-08 | 深圳市华星光电半导体显示技术有限公司 | Test signal transfer board for large goa product |
| CN113433352A (en) * | 2021-06-22 | 2021-09-24 | 合肥维信诺科技有限公司 | Screen performance testing device and screen performance testing method |
| CN115035789A (en) * | 2021-12-28 | 2022-09-09 | 深圳荣耀智能机器有限公司 | Display screen assembly, electronic equipment, testing device, system and testing method |
-
2011
- 2011-12-28 CN CN2011205575191U patent/CN202434175U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103682896A (en) * | 2013-12-20 | 2014-03-26 | 深圳市华星光电技术有限公司 | Signal insertion panel for checking images of liquid crystal display device |
| CN105738059A (en) * | 2016-04-11 | 2016-07-06 | 哈尔滨建成集团有限公司 | Fixture transfer plate for stern room vibration test |
| WO2020199406A1 (en) * | 2019-04-01 | 2020-10-08 | 深圳市华星光电半导体显示技术有限公司 | Test signal transfer board for large goa product |
| CN111261055A (en) * | 2020-01-21 | 2020-06-09 | 京东方科技集团股份有限公司 | OLED display screen and OLED display device |
| CN113433352A (en) * | 2021-06-22 | 2021-09-24 | 合肥维信诺科技有限公司 | Screen performance testing device and screen performance testing method |
| CN115035789A (en) * | 2021-12-28 | 2022-09-09 | 深圳荣耀智能机器有限公司 | Display screen assembly, electronic equipment, testing device, system and testing method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120912 Termination date: 20171228 |