CN1400470A - Checking device for display unit, driving signal supplay device and checking system for display unit - Google Patents
Checking device for display unit, driving signal supplay device and checking system for display unit Download PDFInfo
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- CN1400470A CN1400470A CN02105248A CN02105248A CN1400470A CN 1400470 A CN1400470 A CN 1400470A CN 02105248 A CN02105248 A CN 02105248A CN 02105248 A CN02105248 A CN 02105248A CN 1400470 A CN1400470 A CN 1400470A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/282—Testing of electronic circuits specially adapted for particular applications not provided for elsewhere
- G01R31/2825—Testing of electronic circuits specially adapted for particular applications not provided for elsewhere in household appliances or professional audio/video equipment
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/006—Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays
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Abstract
The present invention discloses a Checking device for display unit, driving signal supplay device and checking system for display unit, in which a plurality of FPD modules are contained in a high temperature chamber capable of controlling the internal environment, and a driving signal is inputted into each FPD module to point out the display state. Each FPD module is provided with the followings: a connector for inputting the analytical signal from an external analyzing signal supply device; a switching circuit for selecting the simplified inspection signal which is generated by a simplified inspection signal generator, and for inputting one of the analytical signals inputted via the connector into the FPD module. By using the manner stated above, when visual inspection is conducted onto display apparatus, it is capable of only using simple drive signal such as BETA image and so on to find the defective FDP and supplying analytical signal such as cross cursor to perform more detailed inspection.
Description
Technical field
The present invention relates to a kind of testing fixture and relevant apparatus and system of display device, particularly, be exactly with the drive signal input and display device and to carry out the check system of testing fixture, drive signal feeding mechanism and display device of display device of visual examination of display device relevant.
Technical background
FPD (FLAT PANEL DISPLAY) go up through regular meeting take place manufacturing defect cause a little bad or line bad.This bad result is difficult for discovering in the inspection of normal temperature sometimes, usually under the high temperature of 60 ℃ of front and back, can show and can find bad pattern (demonstration form), utilize visual check delicate bad very effective.
So, in the final step (inspection product step) of the production line of FPD module, can implement shaker test in the past, display device is applied high temperature and the high voltage higher than operating conditions, acceleration disturbance takes place, and implements the burn-in test of removal defective products in the short time.
Utilize Figure 11 and Figure 12 to describe at the aging equipment of the constant temperature visual inspection apparatus of FPD module.
Usually, can take in 16 to 80 FPD module in the high temperature groove of the aging equipment of FPD module, and can at high temperature switch on and show under the test form, place certain hour (wearing out).Then, can observe the show state of FPD module from the view window of high temperature groove, and can visual judgement its through the time change.
In addition, in aforementioned aging equipment, the FPD module in the high temperature groove is applied the method for drive signal, allocation scheme (Figure 11) and 1 pair 1 mode (Fig. 2) are generally arranged.During allocation scheme, 1 signal generator is set in the Denso dish, drive signal is distributed and imports each FPD module from this.On the other hand, during 1 pair 1 mode,, signal is inputed to each FPD module at each FPD module signalization generator.
As shown in figure 11, in the aging equipment 100 of allocation scheme, the high temperature groove 120 by thermal insulation material encases can foundation be arranged on the control of the high temperature greeve controller 112 in the Denso dish 110, and maintain the condition of high temperature.In addition, 1 signal generator 113 is set in the Denso dish 110, the drive signal that signal generator 113 takes place can input to a plurality of FPD module D in the high temperature groove 120 ...At this moment, the signal by signal generator 113 takes place can be dispensed to each the FPD module D in the high temperature groove 120, and the signal waveform of utilizing 121 pairs of wave forming circuit to input to FPD module D is carried out shaping.The control of aging equipment 100 integral body is carried out by master controller 111.
With respect to this, as shown in figure 12, during the aging equipment 200 of 1 pair 1 mode, the high temperature groove 220 so that thermal insulation material encases can foundation be arranged on the control of the high temperature greeve controller 212 in the Denso dish 210, and maintain the condition of high temperature.In addition, in the high temperature groove 220, at a plurality of each FPD module D ... difference signalization generator 221 ..., the signal that each signal generator 221 takes place can input to FPD module D respectively.In addition, the control of aging equipment 200 integral body is carried out by master controller 211.
Yet, when the shaker test of FPD manufacturing engineering, can be to the simple and easy drive signals (simple and easy inspection signal) such as BETA image of FPD module input (RGB) of all kinds.Secondly, in order to confirm to find in the shaker test harmful content of the FPD module of defective, input tracking cross etc. is resolved with drive signal (resolve and use signal), carries out detailed inspection.Then, judge according to analysis result, if the FPD module defective that can repair, through repairing, examine again the back shipment.In addition, resolve the data that is obtained, should collect and it is fed back on the manufacturing engineering.
If on aforementioned 1 pair 1 mode, adopt the method (Figure 12) of resolving that applies with signal, then must be to being accommodated in the FPD module D in the high temperature groove 220 ... signalization generator 221 ... use the price of signal generator very expensive because resolve, very costliness so aging equipment 200 also can become.
On the other hand, if on aforementioned allocation scheme, adopt the method (Figure 11) of resolving that applies with signal, though to a plurality of FPD module D 1 signal generator 113 only need be set, when signal generator 113 breaks down, then can't be to whole FPD module D ... apply to resolve and use signal.In addition, the high speed signal of signal generator 113 generations must be distributed to the FPD module D that disperse in the high temperature groove 120 ..., and since very expensive with the price of the distributor circuit that is assigned as purpose (indicating on the figure), the comparatively costliness so aging equipment 100 can become.
As described above, the aforementioned conventional structure can't provide the device that can utilize parsing to check with signal really with more cheap price.
Summary of the invention
Technical matters to be solved by this invention is the visual examination at display device, provide and can supply simple and easy inspection such as BETA image respectively and resolve with signal and tracking cross etc. and use drive signal, the check system of testing fixture, drive signal feeding mechanism and display device of display device.
In order to reach aforementioned purpose, the testing fixture of related display apparatus of the present invention, for to a plurality of display device input drive signals and the testing fixture of the display device that shows the dress attitude is provided, have the 1st drive signal maker that generates the 1st drive signal, and aforementioned each display device possesses can import the connector of the 2nd drive signal from the outside and select the 1st drive signal that aforementioned the 1st drive signal generator generates or be situated between and also imports the commutation circuit of aforementioned display by one of them of the 2nd drive signal of aforementioned connector input.
According to aforesaid structure, at first, the 1st drive signal input and display device that the testing fixture of display device can be generated inner the 1st drive signal generator is also pointed out show state.In addition, the testing fixture of display device can be inputed to display device and be pointed out show state by the 2nd drive signal outside the connector being situated between.Secondly, because the testing fixture of display device possesses commutation circuit, can select one of them input and display device of aforementioned the 1st drive signal and aforementioned the 2nd drive signal.That is, utilizing the testing fixture of aforementioned display, can switch the 1st drive signal of display device and the input of aforementioned the 2nd drive signal.
So, in the testing fixture of aforementioned display, each display device is provided with the aforementioned commutation circuit of aforementioned connector.As a result, from the input meeting of the 2nd drive signal of outside each display device is implemented, simultaneously, each display device also can be implemented the 1st drive signal that inner the 1st drive signal generator generates and outside Jie by the switching of the 2nd drive signal of connector input.
The supply side of the 2nd drive signal is because can select display device to carry out, so a plurality of display device only needs 1 drive signal feeding mechanism that generates the 2nd drive signal to get final product.In addition, because the input signal from 1 drive signal feeding mechanism needn't be dispensed to a plurality of display device, can omit distributor circuit and wave forming circuit.Simultaneously, because aforementioned drive signal feeding mechanism can be provided with respectively with the testing fixture of aforementioned display, when breaking down, change than being easier to.
Therefore, utilize the testing fixture of aforementioned display, the 1st drive signal and the 2nd drive signal can be provided respectively really.Thereby, can realize utilizing the inner drive signal that generates to check and utilize the visual inspection apparatus of the display device that the outside drive signal that generates is checked really really at lower cost.
For example, on the formation of the testing fixture of aforementioned display, except the production line that can utilize the 1st drive signal generator to generate the demonstration display device is examined the 1st drive signal of minimum demonstration form necessary on the product step, can also show necessary the 2nd drive signal that shows form from the input of external drive signal supply device in order to investigate the harmful content of the defective that the 1st drive signal finds.
In addition, utilize the testing fixture of this display device also can implement following inspection.At first, in the inspection product step of the production line of display device, utilize the 1st drive signal, can show the simple and easy demonstration form such as BETA image of (RGB) of all kinds and find defective.Then, only, utilize the 2nd drive signal, can show the meticulous demonstration form of tracking cross etc. and confirm harmful content at the display device of finding defective.
As described above, utilize aforesaid formation, can apply the constant temperature visual device of simple and easy inspection really to display device with drive signal and parsing usefulness drive signal, just can realize originally by lower one-tenth.
A part understanding can be filled by the following describes in other purpose of the present invention, feature and advantage aspect.In addition, benefit of the present invention can be understood with reference to accompanying drawing and by the following describes.
Description of drawings
Fig. 1 is aging equipment shown in Figure 2 and the calcspar of resolving the drive signal generation circuit formation of using signal supply device.
Fig. 2 is relevant aging equipment of one of the present invention example and the calcspar of resolving the formation summary of using signal supply device.
Fig. 3 is the oblique view of aging equipment outward appearance shown in Figure 2.
Fig. 4 is for taking in the key diagram of the state of FPD module in the aging equipment high temperature groove shown in Figure 2.
Fig. 5 is the interior FPD module of aging equipment high temperature groove shown in Figure 2 and the key diagram of driven unit connection status.
Fig. 6 is for being equipped with the key diagram of parsing shown in Figure 2 with the resolver summary of signal supply device.
Fig. 7 is the glass door of aging equipment shown in Figure 3 and the key diagram that connector constitutes example.
Fig. 8 is that another of the glass door of aging equipment shown in Figure 3 and connector constitutes the key diagram of example.
Fig. 9 be the glass door of aging equipment shown in Figure 3 and connector another other constitute the key diagram of example.
Figure 10 be the glass door of aging equipment shown in Figure 3 and connector another other constitute the key diagram of example.
Figure 11 is the calcspar of the relevant allocation scheme aging equipment summary of conventional art.
Figure 12 is the calcspar of relevant 1 couple, the 1 mode aging equipment summary of conventional art.
Embodiment
According to Fig. 1 to Fig. 6 one of the present invention example is described, then as follows.
At first, utilize Fig. 2～Fig. 5 to describe at the relevant aging equipment 1 of this example.Fig. 2 is the system block diagrams of the formation summary of aforementioned aging equipment 1.Fig. 3 is the oblique view of seeing outside the aforementioned aging equipment 1.Fig. 4 is the key diagram when taking in FPD module D state in the high temperature groove 20 of aforementioned aging equipment 1.Fig. 5 is the key diagram of the connection status of aforementioned FPD module D and driven unit 21.
As shown in Figure 2, aforementioned aging equipment (testing fixture of display device) 1 is taken in plural FPD module (display device) D for possessing ..., the high temperature groove 20 that surrounds with thermal insulation material of outside the constant temperature visual inspection apparatus.In addition, the Denso dish 10 of aging equipment 1 is provided with master controller 11, high temperature greeve controller 12, touch panel 13 and wireless receiving instrument 14.
All control of aforementioned aging equipment 1 utilizes master controller 11 to carry out.In addition, aging equipment 1 has touch panel 13 and the telechiric device R user's interface as operator's operation.Wireless signal from remote controller R utilizes aforementioned wireless receiving instrument 14 to receive.
In addition, aforementioned high temperature groove 20 utilizes the control of aforementioned high temperature greeve controller 12 to keep high temperature.Simultaneously, be provided with driven unit 21 at each FPD module D in the aforementioned high temperature groove 20.Is the connector (input medium) 24 of purpose with the parsing that will analyse with signal supply device (drive signal feeding mechanism) 51 from external solution with the commutation circuit (switch means) 23 that signal (the 2nd drive signal) inputs to driven unit 21, is provided with in the mode that is exposed to outside the aging equipment 1.In addition, aforementioned driven unit 21 will be explained below.
In addition, the communication of master controller 11, high temperature greeve controller 12, touch panel 13 and wireless receiving instrument 14 can utilize as RS-232C and carry out.In addition, the communication of master controller 11 and each driven unit 21 can be provided with CPU and wait with RS-485 and carry out on driven unit 21, also can CPU be set and only carry out the control signal of contact and TTL etc.
As shown in Figure 4, in the high temperature groove 20 of calibration cell, the module rack 30 of the multistage mounting that can implement a plurality of FPD module D is being set.In the example of Fig. 4, the face side of module rack 30 and rear side respectively can 45 sections FPD module D that amount to 20 of mounting.
As shown in Figure 5, aforementioned modules frame 30 is provided in driven unit 21 at the rear of mounting FPD module D.FPD module D then is connected in driven unit 21 with various connection cables 34.In addition, FPD module D leans against angular adjustment rod 31, base with the back side and then withstands the state mounting of non-slip nosing 32 in high temperature groove 20.Utilize angular setting chi change stop position, this angular adjustment rod 31 can be adjusted the angle of the display surface of FPD module D, makes the operator can see the display surface of FPD module D easily.In Fig. 5, the commutation circuit 23 of connection driven unit 21 and the connection cable of connector 24 have been omitted.
As shown in Figure 3, but can observe the display surface of FPD module D in order not open high temperature groove 20, aforementioned aging equipment 1 is provided with sliding door type glass door 15.Utilize this mode, because of all be glass door 15 comprehensively, so most FPD module D ... show state can come into plain view.In addition, the FPD module D in the high temperature groove 20 are arranged at the position of the most close glass door 15, connect trickle badly can visually to confirm.
In addition, on this glass door 15, the front near FPD module D is setting connector 24 (Fig. 2) at each FPD module D.And connector 24 is connected on the commutation circuit 23 (Fig. 2) of driven unit 21 corresponding in the high temperature groove 20.
On the aforementioned aging equipment 1, be provided with the touch panel 13 (Fig. 2) that is made for dealer's executable operations.In addition, also be provided with wireless receiving instrument 14 on the aforementioned aging equipment 1, the operator can utilize telechiric device R (Fig. 2) executable operations on the position of leaving touch panel 13.
The operation that the operator utilizes touch panel 13 or aforementioned remote controller to carry out can be sent to aging equipment 1 everywhere with control signal by master controller 11.Utilize this mode, the operator can carry out following shown in the operation.1) bright lamp/light-off of all FPD module D, 2) show the black display of all FPD module D, 3) form switches (preceding sending/retreat), 4) show form autotransmitter can temporarily stop/removing, 5) show the autotransmitter energy of form/manually the transmit switching of function, 6) only light backlight.In addition, touch panel 13 can be implemented detailed setting and the affirmation of power supply controlled condition, demonstration form (pattern) and aging temperature/time etc. at each FPD module D.
Then, consult Fig. 1, illustrate being accommodated in the formation of the FPD module D supplies drive signals in the high temperature groove 20.
With driven unit 21 as shown in Figure 2 at each FPD module D setting ... in the middle of one of connector 24 and the connector 53 of resolving with signal supply device 51 connect, Fig. 1 is exactly the calcspar of this connection status.
The first, on the formation of driven unit 21, have simple and easy inspection signal generator (the 1st drive signal supplying means) 22 and commutation circuit 23.
Aforementioned simple and easy inspection is with on the formation of signal generator 22, have form generator 41, driving circuit 42, the time meter signal generator 43 and power supply 44.
The control signal that aforementioned form generator 41 meeting correspondences are come autonomous controller 11 (Fig. 2), according to aforementioned time meter signal generator 43 taken place the time meter signal sequential, generation is with the signal of video signal of the demonstration form of aforementioned control signal appointment, and exports aforementioned driving circuit 42 to.
At this moment, in the aforementioned form generator 41, the production line that should store FPD module D is in advance examined the simple and easy demonstration forms such as (RGB) of all kinds BETA image that the product step is used.
The second, parsing should possess at least with signal supply device 51 resolves with signal generator 52.In addition, aforementioned parsing is with on the formation of signal generator 52, should possess CUP (centralprocessing unit) 61, internal memory 62, form generator 63, form take place with internal memory 64, driving circuit 65, the time meter signal generator 66, frequency divider 67 and power supply 68.
Aforementioned parsing is to utilize CPU61 to carry out the specific program that launches on the internal memory 62 to control with 51 of signal supply devices.In addition, CPU61 be according to aforementioned time meter signal generator 66 take place the time meter signal sequential move.
The corresponding control signal of aforementioned form generator 63 meetings from CPU61, count signal when signal generator 66 takes place when aforementioned, clock signal according to aforementioned frequency divider 67 generations, generation is with the signal of video signal of the demonstration form of aforementioned control signal appointment, and exports aforementioned driving circuit 65 to.
At this moment, should store the defect cause of being found with the production line inspection product step of specific FPD module D in advance is the meticulous demonstration forms such as tracking cross of purpose.Form generator 63 can generate the signal of video signal that shows form earlier and be stored in form generation internal memory 64 before output, during output, also can take place to read and output image signal with internal memory 64 from form.
Secondly, the commutation circuit 23 of aforementioned driven unit 21 is not being resolved when using signal from connector 24 input, can will export FPD module D to signal from the simple and easy inspection of driving circuit 42 inputs, on the other hand, if resolve when using signal from connector 24 input, then can export this parsing to FPD module D with signal.That is commutation circuit 23 can input to the 2nd drive signal FPD module D when detecting the input of the 2nd drive signal.
So as shown in Figure 1, when connector 24 and connector 53 were in connection status, aforementioned commutation circuit 23 can export FPD module D to signal from the parsing that the parsing of high temperature groove 20 outsides is imported with signal generator 52.
In addition, in commutation circuit 23 output signal is switched to and to resolve when use signal, for example, also can utilize the short circuit etc. of the specific pin of connector 53, allow the special signal that specification signal switches be contained in parsing with implementing within the signal.In other words, detect resolving with signal and switch the commutation circuit 23 of output signal, is to realize various functions with well known technology.
Utilize this mode, as long as connector 53 is connected in connector 24, just can simple and easy inspection replace with signal, and the parsing that generates with signal generator 52 is resolved in the outside give FPD module D with signal provision with the simple and easy inspection that signal generator 22 generates.
Then, consult Fig. 6 and further specify aforementioned parsing signal supply device 51.
Aforementioned parsing can image memory location subpictures memory location unit be controlled the demonstration of resolving with the demonstration form of signal generator 52 with signal supply device 51.Particularly, for example, when showing tracking cross, the coordinate of point of crossing can be shown on the display panel 54, and utilize action button 55 to move the position of point of crossing.
In addition, the parsing of the FPD module D of multiple in order to carry out (SVGA, XGA, SXGA, UXGA etc.), also can be in advance with picture dimension, meter when driving, and the setting that shows form etc. be stored in aforementioned parsing with signal supply device 51.
As shown in Figure 6, with on the formation of signal supply device 51, also itself and DC power source apparatus 56 and computing machine 57 can be loaded into jointly on the frame 58 with castor, make it become movable resolver 50 in aforementioned parsing.
Aforementioned DC power source apparatus 56 provides the power supply that drives FPD module D, possess can corresponding plural FPD module capacity.
Aforementioned computing machine 57 can carry out 1) the complicated editor who shows form (pattern), make, 2) resolve change, 3 with the setting of signal supply device 51 and DC power source apparatus 56) detect input, the keeping of the bad information (bad position, harmful content etc.) of FPD module D.In addition, with the demonstration form that aforementioned computing machine 57 is edited and made, can resolve with on the signal generator 52 in being used in.
Utilize this mode, employing contains aforementioned aging equipment 1 and resolves the check system of the display device of using signal supply device 51, a plurality of FPD module D can be accommodated in high temperature groove 20, and keeping under the high-precision panel surface Temperature Distribution, drive signal is inputed to each FPD module D, show form, and can see through glass door 15 observation show states.The simple and easy inspection that aforementioned drive signal can utilize the embedded simple inspection to generate with signal generator 22 generates with signal generator 52 with signal and outside parsing and is situated between by the parsing signal of connector 53,24 inputs.
Each FPD module D of aforesaid aging equipment 1 is provided with connector 24 and commutation circuit 23, can implement signal is used in simple and easy inspection with signal and parsing switching to each FPD module D.
Utilize this mode, can be only at the FPD module of finding defective in the shaker test, input is to confirm that harmful content is that the parsing of purpose is with signal and carry out detailed inspection.
As described above, the check system of aforementioned display is for remedying 1 couple, 1 mode of conventional allocation mode shortcoming, and utilize only at optionally importing the mode of resolving with simple and easy inspection with the FPD module of signal discovery defective, the shortcoming of 1 pair 1 mode of solution tradition with signal.So, realize applying signal is used in simple and easy inspection with signal and parsing constant temperature visual device to the FPD module in the calibration cell with low cost.
Simultaneously, in this example, be to serve as to check object with the FPD module, describe with the signal and the constant temperature visual inspection apparatus of resolving at can in the high temperature groove of high temperature, applying simple and easy inspection with signal.Yet this example and non-limiting scope of the present invention as long as in the present invention has scope, can be implemented various variations, for example, can constitute shown in following.
The inspection object is not defined as the FPD module, can be widely used in to contain the visual examination of CRT (cathode raytube) in interior whole display device.In addition, also can utilize high temperature greeve controller 12 that the environment in the high temperature groove 20 are controlled at low temperature, high humidity, and high temperature state in addition such as vibration.Simultaneously, when applying signal, except the visual examination that can carry out show state, can also monitor signal output waveform.
In addition, simple and easy inspection is with signal and resolve the switching of using signal, can carry out before FPD module D, can carry out before driving circuit 42, also can make it stop to take place simple and easy inspection with signal input form generator 41 parsing and carry out with signal.
In addition, though this resolves with signal supply device 51 and adopts the formation that can carry, but also can fix the position of resolving with signal supply device 51 (and operator), take with high temperature groove 20 1 that is, FPD module D is moved to the formation of resolving with the position of signal supply device 51.
Generally speaking, aging equipment is because be used in the inspection step of production line, so can use many simultaneously.Because aforementioned parsing is to adopt outside the connection with signal generator 52, Gu1Tai or about 2 s' parsing can be implemented inspection with signal at the parsing of the whole FPD module D that are accommodated in aging equipment 1 with signal generator 52.Certainly, resolve with the platform number of signal generator 52 and must examine by the corresponding bad generation number of confirming with aging equipment 1.In addition, 1 parsing has a plurality of parsings with signal generator 52 and respectively to plural FPD module D with signal generator 52 ... input is resolved with the formation of signal and also can.
Simultaneously, outside connection of resolving with signal generator 52 and commutation circuit 23, only otherwise the formation that can confuse the environment in the high temperature groove 20 gets final product, so also can adopt Fig. 7～formation shown in Figure 10.The example that constitutes one of Fig. 7～Figure 10, and the shape of the quantity of non-limiting FPD module D and connector 24, position and glass door 15 etc.
In Fig. 7, the glass door 15 of aging equipment 1 (with reference to figure 3) adopts the shape of growing crosswise, and observes when can implement show state at per 4 FPD module D of horizontal mounting.The turning axle of this glass door 15 is set the limit, lower end, utilizes the switch handle 15a that is equipped on the upper end, and the limit, upper end is opened towards operator's side.The lower position that the connector 24 of corresponding each FPD module D then is equipped on end limit under the glass door 15 is adjacent with glass door 15.
In Fig. 8, the glass door 15 of aging equipment 1 (with reference to figure 3) adopts elongate shape, observes when can implement show state at per 5 FPD module D of vertical mounting.The turning axle of this glass door 15 is set the right-hand member limit, utilizes the switch handle 15a that is equipped on the left part, and the left end limit is opened towards operator's side.It is adjacent with glass door 15 that the connector 24 of corresponding each FPD module D then is equipped on the right-hand position on right-hand member limit of glass door 15.
As described above, in the middle of the formation example of Fig. 7 and Fig. 8, connector 24 be disposed at its correspondence FPD module D near.Utilize this mode, can be easy to utilize simple and easy inspection to observe show state, confirm must input to resolve FPD module D, will resolve connector 53 with signal supply device 51 really and be connected in connector 24 that should specific FPD module D with signal with signal.
In Fig. 9, the glass door of aging equipment 1 (with reference to figure 3) 15 adopts elongate shape, and 10 FPD module D that can horizontal 2,5 sections mountings are that unit is observed when implementing 10 show state.This glass door 15 is by being constituted by pulling about 1 group with adjacent 2.So, can set switch with drawing a 15b along right-hand member or left end on each glass door 15.Secondly, the connector 24 of corresponding each FPD module D can be equipped on the margo frontalis of the sliding door that is made of 1 group of glass door 15.That is in Fig. 9, correspondence is accommodated in 20 connectors 24 of the FPD module D in the right side group sliding door 91 ... be equipped on right-hand margo frontalis 93, correspondence is accommodated in 20 connectors 24 of the FPD module D in the left side group sliding door 92 ... be equipped on left margo frontalis 94.
The glass door 15 of the aging equipment 1 among Figure 10 is the same with Fig. 9, is to constitute to pulling to by about adjacent 2 one group.Simultaneously, the margo frontalis of the sliding door that each is made of one group of glass door 15, each is disposing connector 24 and is setting from 24 inputs of this connector and resolve change-over switch 24a with the FPD module D of signals.That is, right-hand margo frontalis 93 among Figure 10, disposing the corresponding connector 24 that is accommodated in 20 FPD module D in the right group sliding door 91 with and change-over switch 24a, and left margo frontalis 94, then disposing the corresponding connector 24 that is accommodated in 20 FPD module D in the left side group sliding door 92 with and change-over switch 24a.In addition, change-over switch 24a can adopt the signal wire switching of mechanical type or electric.And how many FPD module D share connector 24, and then the limit according to the signal wire of connector 24 to FPD module D decides.
As described above, in the example that Fig. 9 and Figure 10 constitute, the connector 24 of corresponding a plurality of FPD module D can converge the mode of putting in order in a place and be provided with.Utilize this mode, when changing-over was resolved with the connector 53 of signal supply device 51, the operator did not have mobile necessity.In addition, observing simple and easy inspection with in the show state of signal, determine this input to resolve the FPD module D with signal, during changing-over connector 53, the configuration of this kind connector 24 is applicable to small-sized aging equipment 1.
Simultaneously, except setting beyond the connector 24 to expose mode the high temperature groove 20, also can be provided with at the outer wall (containing glass door 15) of high temperature groove 20 interior can free switch the hole that can pass of cable, and operator's the insertable gap of hand.
In addition, though with aspect the drive signal of switching and inputing to FPD module D is described with signal and parsing with simple and easy inspection, the purposes of these signals is not limited to this.That is, the signal that simple and easy inspection generates with signal generator 22, the signalization generator can be good than in the outside corresponding plural FPD module of aging equipment 1 signal generator being set in aging equipment (containing the high temperature groove), so long as the signal of expectation gets final product.On the other hand, resolve the signal that generates with signal generator 52, in the outside corresponding a plurality of FPD modules of aging equipment 1 signal generator being set can be for good, so long as the signal of expectation gets final product than signalization generator in aging equipment.
As described above, the testing fixture of display device of the present invention, for to a plurality of display device input drive signals and the testing fixture of pointing out the display device of show state, on it constitutes, possesses the 1st drive signal supplying means that generates the 1st drive signal, and, aforementioned display has the input medium of importing the 2nd drive signal from the outside, and selects one of them also to import the switch means of aforementioned display from the 1st drive signal of aforementioned the 1st drive signal supplying means generation and by the 2nd drive signal of aforementioned input medium input.
Utilize aforesaid formation, at first, the testing fixture of display device can be with the 1st drive signal input and display device that generates with inner the 1st drive signal supplying means, and the prompting show state.In addition, the testing fixture of display device can will be from the 2nd drive signal input and display device of outside by input medium with being situated between, and the prompting show state.Simultaneously, the testing fixture of display device has switch means, chooses it and input to display device in the lump from aforementioned the 1st drive signal and aforementioned the 2nd drive signal.That is, utilize the testing fixture of aforementioned display, can switch the 1st drive signal and aforementioned the 2nd drive signal and display device is carried out input.
At this moment, in the testing fixture of aforementioned display, each display device is provided with aforementioned input medium and aforementioned switch means.Utilize this mode, can be to the input of each display device enforcement from the 2nd drive signal of outside, simultaneously, also can carry out switching to each display device with the 1st drive signal of inner the 1st drive signal supplying means generations and outside the 2nd drive signal imported by input medium of being situated between.
So the supply of the 2nd drive signal is because can select display device to implement, a plurality of display device only need 1 drive signal feeding mechanism that generates the 2nd drive signal to get final product.In addition, because there is no need to distribute to a plurality of display device, can omit distributor circuit and wave forming circuit from the input signal of 1 drive signal feeding mechanism.Simultaneously, because aforementioned drive signal feeding mechanism can be provided with respectively with the testing fixture of aforementioned display, when breaking down, change than being easier to.
Therefore, utilize the testing fixture of aforementioned display, the 1st drive signal and the 2nd drive signal can be provided respectively really.Thereby, can realize utilizing the inner drive signal that generates to check and utilize the visual inspection apparatus of the display device that the outside drive signal that generates is checked really really at lower cost.
For example, on the formation of the testing fixture of aforementioned display, except the production line that can utilize the 1st drive signal generator to generate the demonstration display device is examined the 1st drive signal of minimum demonstration form necessary on the product step, can also show necessary the 2nd drive signal that shows form from the input of external drive signal supply device in order to investigate the harmful content of the defective that the 1st drive signal finds.
In addition, utilize the testing fixture of this display device also can implement following inspection.At first, in the inspection product step of the production line of display device, utilize the 1st drive signal, can show the simple and easy demonstration form such as BETA image of (RGB) of all kinds and find defective.Then, only, utilize the 2nd drive signal, can show the meticulous demonstration form of tracking cross etc. and confirm harmful content at the display device of finding defective.
As described above, utilize aforesaid formation, can apply the constant temperature visual device of simple and easy inspection really to display device with drive signal and parsing usefulness drive signal, just can realize originally by lower one-tenth.
In addition, the testing fixture of display device of the present invention also can be for when aforementioned switch means detects the input of aforementioned the 2nd drive signal, with the 2nd drive signal input aforementioned display person.
Utilize aforesaid formation, when aforementioned switch means is not situated between by the input of aforementioned input medium in the 2nd drive signal, can will utilize the 1st drive signal of aforementioned the 1st drive signal supplying means input to export display device to, on the other hand, if when Jie imports the 2nd drive signal by aforementioned input medium, then can export this 2nd drive signal to display device.
So, utilize the testing fixture of aforementioned display, as long as the 2nd drive signal is inputed to input medium, the 1st drive signal that just can generate internally automatically switches to outside the 2nd drive signal that generates, and it is supplied to display device.
In addition, the testing fixture of display device of the present invention except possessing the high temperature groove that can control the internal environment of taking in aforementioned display, also can be exposed to aforementioned high temperature groove external mode aforementioned input medium is set.
According to aforesaid formation, because input medium is set in the mode that is exposed at high temperature groove outside, can be under the state in not confusing the high temperature groove, the 2nd drive signal that input is outside.Particularly, can under the situation that needn't open the high temperature groove, implement the connection of external drive signal supply device and aforementioned switch means exactly.And, also the environment in the high temperature groove can be controlled at high temperature such as low temperature, high humidity and vibration state in addition.
In addition, the testing fixture of aforementioned display can make in the high temperature groove and be in the condition of high temperature, carries out under the high temperature energising and form then and shows, is applied to place the heat treatment step of the step of certain hour (wearing out).At this moment, can carry out to collect the aging middle defective information that takes place is the visual examination of purpose height.
Simultaneously, drive signal feeding mechanism of the present invention provides the drive signal feeding mechanism of aforementioned the 2nd drive signal for the testing fixture to aforementioned display, on it constitutes, can with the separately carrying of testing fixture of aforementioned display.
Because aforementioned drive signal feeding mechanism is to adopt outside the connection to the testing fixture of aforementioned display, so 1 drive signal feeding mechanism can be used in the testing fixture of a plurality of display device.So the operator can make an inspection tour the testing fixture mode of a plurality of display device and carry out operation.
Because adopt aforesaid formation, aforementioned drive signal feeding mechanism can with the separately carrying of the testing fixture of aforementioned display, so be easy to just the drive signal feeding mechanism can be moved to the inspection of carrying out the 2nd drive signal with the position of the display device of the 1st drive signal discovery defective.
In addition, on the formation of display device check system of the present invention, also can contain the testing fixture and the aforementioned drive signal feeding mechanism of aforementioned display.
According to aforesaid formation, the testing fixture of aforementioned display and drive signal feeding mechanism can be distinguished and supply the 1st drive signal and the 2nd drive signal really.So, check with the drive signal that low cost realizes obtaining really utilizing the testing fixture of display device to generate, and the display device visual examination system that checks of the drive signal of utilizing the drive signal feeding mechanism to generate.In addition because the drive signal feeding mechanism can with the separately carrying of the testing fixture of display device, so be easy to just the drive signal feeding mechanism can be moved to the inspection of carrying out the 2nd drive signal with the position of the display device of the 1st drive signal discovery defective.
The concrete example and the embodiment of above-mentioned detailed description are for technology contents of the present invention is described, can not it be defined as with narrow definition to be only limited to instantiation.According to technical scheme required for protection in inventive concept of the present invention and spirit and claims, this area common technique personnel also can implement multiple different change embodiment.
Claims (7)
1, a kind of testing fixture of display device is characterized by and drive signal can be imported a plurality of display device and point out show state, and
Possess the 1st drive signal supplying means that generates the 1st drive signal, and
Aforementioned each display device possesses the input medium of importing the 2nd drive signal from the outside and the 1st drive signal that generates from aforementioned the 1st drive signal supplying means, and selects one of them also to import the switch means of aforementioned display by the 2nd drive signal of aforementioned input medium input.
2, the testing fixture of display device according to claim 1 is characterized in that: when aforementioned switch means detects the input of aforementioned the 2nd drive signal, the 2nd drive signal is inputed to aforementioned display.
3, as the testing fixture of display device as described in the claim right 2, it is characterized in that: have the high temperature groove that may command is taken in the environment of aforementioned display, simultaneously, aforementioned input medium is provided with in the mode of the outside that is exposed to aforementioned high temperature groove.
4, a kind of drive signal feeding mechanism is characterized in that: supply the drive signal feeding mechanism of aforementioned the 2nd drive signal to the testing fixture of claim 1 or 2 described display device, and
Can separately carry with the testing fixture of aforementioned display.
5, a kind of drive signal feeding mechanism is characterized in that: supply aforementioned the 2nd drive signal to the testing fixture of the described display device of claim 3, and
Can separately carry with the testing fixture of aforementioned display.
6, a kind of check system of display device, it is characterized in that: have the testing fixture of claim 1 or 2 described display device and supply aforementioned the 2nd drive signal, and can separate the drive signal feeding mechanism of carrying with the testing fixture of aforementioned display to the testing fixture of aforesaid display device.
7, a kind of check system of display device, it is characterized in that: have the testing fixture of the described display device of claim 1 and supply aforementioned the 2nd drive signal, and can separate the drive signal feeding mechanism of carrying with the testing fixture of aforementioned display to the testing fixture of aforesaid display device.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001232789A JP4627936B2 (en) | 2001-07-31 | 2001-07-31 | Display device inspection device and display device inspection system |
| JP2001232789 | 2001-07-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1400470A true CN1400470A (en) | 2003-03-05 |
| CN1278131C CN1278131C (en) | 2006-10-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021052484A Expired - Fee Related CN1278131C (en) | 2001-07-31 | 2002-02-21 | Checking device for display unit, driving signal supplay device and checking system for display unit |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP4627936B2 (en) |
| KR (1) | KR100832468B1 (en) |
| CN (1) | CN1278131C (en) |
| TW (1) | TW539862B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100412558C (en) * | 2005-01-07 | 2008-08-20 | 统宝光电股份有限公司 | High temperature aging test device for display panel |
| CN100454569C (en) * | 2003-12-12 | 2009-01-21 | 奥博特瑞克斯株式会社 | Organic EL display and its substrate |
| CN101197301B (en) * | 2006-12-08 | 2012-01-18 | 奥林巴斯株式会社 | Defect testing device and method |
| CN105632383A (en) * | 2016-01-11 | 2016-06-01 | 京东方科技集团股份有限公司 | Test circuit, test method, display panel and display device |
| CN109443712A (en) * | 2018-12-26 | 2019-03-08 | 成都晶砂科技有限公司 | Self-test device, self-test method and the silicon substrate display device of silicon substrate display device |
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| KR100766946B1 (en) * | 2006-07-14 | 2007-10-17 | 삼성에스디아이 주식회사 | Testing apparatus for testing the oled cell and method thereof |
| KR101507160B1 (en) * | 2008-09-04 | 2015-03-30 | 엘지전자 주식회사 | An apparatus and system for testing a panel or module of display |
| TWI399554B (en) * | 2009-03-20 | 2013-06-21 | Sun Well Solar Corp | An apparatus for detecting and repairing circuit shunt and method of detecting and repairing the same |
| TWI418803B (en) * | 2011-06-24 | 2013-12-11 | Chroma Ate Inc | Display panel module to the burner test equipment |
| WO2018225182A1 (en) * | 2017-06-07 | 2018-12-13 | シャープ株式会社 | Aging device |
| JP7122236B2 (en) * | 2018-11-28 | 2022-08-19 | 東京エレクトロン株式会社 | Inspection device, maintenance method and program |
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| JPH09127470A (en) * | 1995-10-26 | 1997-05-16 | Sharp Corp | Apparatus for inspecting liquid crystal panel and method for inspecting the same |
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- 2001-07-31 JP JP2001232789A patent/JP4627936B2/en not_active Expired - Fee Related
- 2001-12-31 TW TW090133159A patent/TW539862B/en not_active IP Right Cessation
-
2002
- 2002-01-22 KR KR1020020003533A patent/KR100832468B1/en not_active IP Right Cessation
- 2002-02-21 CN CNB021052484A patent/CN1278131C/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100454569C (en) * | 2003-12-12 | 2009-01-21 | 奥博特瑞克斯株式会社 | Organic EL display and its substrate |
| CN100412558C (en) * | 2005-01-07 | 2008-08-20 | 统宝光电股份有限公司 | High temperature aging test device for display panel |
| CN101197301B (en) * | 2006-12-08 | 2012-01-18 | 奥林巴斯株式会社 | Defect testing device and method |
| CN105632383A (en) * | 2016-01-11 | 2016-06-01 | 京东方科技集团股份有限公司 | Test circuit, test method, display panel and display device |
| CN105632383B (en) * | 2016-01-11 | 2018-09-11 | 京东方科技集团股份有限公司 | A kind of test circuit, test method, display panel and display device |
| US10229619B2 (en) | 2016-01-11 | 2019-03-12 | Boe Technology Group Co., Ltd. | Test circuit, test method, display panel and display apparatus |
| CN109443712A (en) * | 2018-12-26 | 2019-03-08 | 成都晶砂科技有限公司 | Self-test device, self-test method and the silicon substrate display device of silicon substrate display device |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20030012794A (en) | 2003-02-12 |
| KR100832468B1 (en) | 2008-05-26 |
| JP2003042959A (en) | 2003-02-13 |
| JP4627936B2 (en) | 2011-02-09 |
| TW539862B (en) | 2003-07-01 |
| CN1278131C (en) | 2006-10-04 |
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