CN201629127U - Liquid crystal module testing device - Google Patents
Liquid crystal module testing device Download PDFInfo
- Publication number
- CN201629127U CN201629127U CN2009202175857U CN200920217585U CN201629127U CN 201629127 U CN201629127 U CN 201629127U CN 2009202175857 U CN2009202175857 U CN 2009202175857U CN 200920217585 U CN200920217585 U CN 200920217585U CN 201629127 U CN201629127 U CN 201629127U
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- liquid crystal
- voltage adjustable
- workstation
- test
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Abstract
The utility model discloses a liquid crystal module testing device, which belongs to the test field of liquid crystal modules, and comprises a liquid crystal testing module and a PC (personal computer) workstation, wherein, the PC workstation is externally connected with the liquid crystal testing module. The liquid crystal module testing device is characterized in that the liquid crystal testing module comprises a power supply conversion module; a plurality of external interfaces are arranged on the power supply conversion module; a backlight lamp tube voltage adjustable module and a digital circuit voltage adjustable module are respectively connected with the power supply conversion module; the backlight lamp tube voltage adjustable module and the digital circuit voltage adjustable module are connected with a signal control module; the signal control module comprises a signal processing element, a controller and a memorizer; the controller and the memorizer intercommunicate with the PC workstation; and the signal processing element is connected with a liquid crystal module to be tested. The liquid crystal module testing device has the advantages of testing function for multiple parameters, high test speed and simple operation.
Description
Technical field
The utility model relates to the field tests of liquid crystal module, especially a kind of liquid crystal module proving installation.
Background technology
Some present liquid crystal display products, frivolous with it, power consumption is low, radiation is little, the stable plurality of advantages such as do not glimmer of screen picture is widely adopted.And liquid crystal module is the primary clustering of liquid crystal display product, and it comprises elements such as liquid crystal panel and backlight, and is along with the mechanization degree of dull and stereotyped producer's product production line is more and more higher, also more and more higher to the requirement of liquid crystal module performance test.At first, the liquid crystal module of giant-screen externally need realize on the power requirement adjustable under specific stepping accuracy, can test and record the current/voltage parameter; Can discern automatically when the liquid crystal module of different size is tested various parameters such as the colorfulness of image, brightness, GTG, resolution, module information can be switched fast.But proving installation in the past often power of test is single, can only be at a certain item number according to testing; And it is slow to have response speed, and factors such as operation more complicated no longer have been fit to present production demand.
The utility model content
At the defective that exists in the prior art, the purpose of this utility model is to provide a kind of liquid crystal module proving installation, and it possesses the function of test voltage, electric current and the multinomial data of image simultaneously, and test speed is fast, and is simple to operation.
For reaching above purpose, the technical scheme that the utility model is taked is: a kind of liquid crystal module proving installation, the PC workstation that comprises liquid crystal test module and be external in this liquid crystal test module, described liquid crystal test module has a power transfer module, which is provided with some extraneous interfaces, be connected to a backlight lamp tube voltage adjustable module and a digital circuit voltage adjustable module on the described power transfer module respectively, described backlight lamp tube voltage adjustable module all links to each other with a signal controlling module with digital circuit voltage adjustable module, this signal controlling module comprises Signal Processing Element, controller and storer, described controller intercoms with the PC workstation mutually with storer, and described Signal Processing Element connects LCD module under test.
On the basis of technique scheme, carry out infrared communication between described liquid crystal test module and the described PC workstation.
On the basis of technique scheme, the regulation voltage of described backlight lamp tube voltage adjustable module is between 12V to 36V.
On the basis of technique scheme, the regulation voltage of described digital circuit voltage adjustable module is between 3.3V to 24V.
On the basis of technique scheme, described store memory has application program and view data.
On the basis of technique scheme, described Signal Processing Element is converted into described image data the screen display signals of LCD module under test.
The beneficial effects of the utility model are: described liquid crystal module proving installation, can be by several pictures and the program of signal controlling module memory reservoir storage, measure the multinomial data of LCD module under test simultaneously, test result is more accurate, and the high speed infrared wireless communication mode between support PC workstation and the signal controlling module, improve response speed, simple to operation.
Description of drawings
Fig. 1 is that the utility model embodiment cooperates figure with the hardware of LCD module under test and fixed station;
Fig. 2 is the internal signal process flow diagram of liquid crystal test module among Fig. 1 embodiment.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail.
As shown in Figure 1, the hardware synoptic diagram that matches with LCD module under test (hereinafter to be referred as LCM to be measured), fixed station for the utility model liquid crystal module proving installation.In the dotted line is described liquid crystal module proving installation, and it comprises liquid crystal test module, and the PC workstation that is external in this liquid crystal test module, can pass through infrared communication between the two, can certainly be wire communication, and can carry out the program loading between the two.Described liquid crystal test module is coated in the shell (figure does not show), its outside connection LCM to be measured, described liquid crystal test module is powered to LCM to be measured by regulated power supply, the stored image data transmission of the storer that inside is had is to LCM to be measured simultaneously, on the screen of LCM to be measured various images can appear at this moment, display effect according to different pictures, detect LCM to be measured and may have various defectives, detect work at present voltage and current parameter simultaneously, thereby finish of the test and appraisal of described liquid crystal test module LCM to be measured.Described LCM to be measured carries out module by a fixed station to be fixed, and this fixed station also has power supply, can test module to liquid crystal the civil power input is provided, to guarantee the power supply of liquid crystal test module.
As depicted in figs. 1 and 2, this liquid crystal test module comprises extraneous interface, power transfer module, backlight lamp tube voltage (hereinafter to be referred as VBL) adjustable module, digital circuit voltage (hereinafter to be referred as VDD) adjustable module, signal controlling module.Described power transfer module is provided with some extraneous interfaces, and these extraneous interfaces can be connected with fixed station etc. with the LCM to be measured in the external world.Described power transfer module is powered to total system, and the civil power that fixed station is provided is converted to the direct current of 48V or 27V simultaneously, and it is delivered to connected VBL adjustable module and VDD adjustable module.This VBL adjustable module regulation voltage is between 12V to 36V, and 1V STEP has current sense, can set current anomaly parameter limit; The regulation voltage of this VDD adjustable module is between 3.3V to 24V, and 0.1V STEP has current sense, can set current anomaly parameter limit; The two all is connected with extraneous interface, and is connected to LCM to be measured by extraneous interface, respectively it is carried out VBL power supply output and VDD power supply output.Described VBL adjustable module is connected a signal controlling module jointly with the VDD adjustable module, this signal controlling module is the core of whole liquid crystal test module, after described VBL adjustable module and VDD adjustable module carried out the voltage adjustment respectively, just current voltage and current parameter was sent in this signal controlling module.Described signal controlling module comprises Signal Processing Element, controller and storer, and described memory inside stores application program and view data; Described controller can be by the memory load application program; Described signal processing unit connects controller and storer respectively, its can slave controller in the receive logic control signal, the image data in the storer can be converted into LCM discernible signal to be measured.Described signal controlling module is after system's power supply, this controller can loading application programs, the PC workstation sends to controller by serial ports with the instruction on the man-machine interface, controller reads corresponding view data and carries out digital signal processing from storer, and produces LCM discernible signal to be measured and be sent to LCM to be measured and show required test pattern.If want program in the storer or view data are upgraded, then need workstation from PC, be written in the storer by serial ports or high speed infrared interface.
During the test of the utility model liquid crystal module proving installation, after described power transfer module is changed civil power, provide voltage backlight and digital circuit voltage to LCM to be measured, and to output voltage and current monitor, when the screen of LCM to be measured shake is arranged, when situation such as dim takes place, it is unusual then can to judge LCM to be measured according to voltage and current parameters.When normal display interface appears in LCM to be measured, can set up test sequence and image applications voluntarily according to different users's demand, operate according to the various informations on the display interface then, for example use mouse and keypad and control the different resolution chart of selection, positioning screen shortcoming coordinate record etc., liquid crystal can be tested the various different informix arrangements that module feeds back to the PC workstation in this interface, and then show every test result of LCM to be measured, the defect kind of LCM can be set up according to test pattern, and test result can be stored in the PC workstation with the form of daily record.
The utility model not only is confined to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present utility model; no matter but on its shape or structure, do any variation; every have identical with a utility model or akin technical scheme, all within its protection domain.
Claims (4)
1. liquid crystal module proving installation, the PC workstation that comprises liquid crystal test module and be external in this liquid crystal test module, it is characterized in that: described liquid crystal test module has a power transfer module, which is provided with some extraneous interfaces, be connected to a backlight lamp tube voltage adjustable module and a digital circuit voltage adjustable module on the described power transfer module respectively, described backlight lamp tube voltage adjustable module all links to each other with a signal controlling module with digital circuit voltage adjustable module, this signal controlling module comprises Signal Processing Element, controller and storer, described controller intercoms with the PC workstation mutually with storer, and described Signal Processing Element connects LCD module under test.
2. a kind of liquid crystal module proving installation as claimed in claim 1 is characterized in that: carry out infrared communication between described liquid crystal test module and the described PC workstation.
3. a kind of liquid crystal module proving installation as claimed in claim 1 is characterized in that: the regulation voltage of described backlight lamp tube voltage adjustable module is between 12V to 36V.
4. a kind of liquid crystal module proving installation as claimed in claim 1 is characterized in that: the regulation voltage of described digital circuit voltage adjustable module is between 3.3V to 24V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202175857U CN201629127U (en) | 2009-09-28 | 2009-09-28 | Liquid crystal module testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202175857U CN201629127U (en) | 2009-09-28 | 2009-09-28 | Liquid crystal module testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201629127U true CN201629127U (en) | 2010-11-10 |
Family
ID=43060525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202175857U Expired - Lifetime CN201629127U (en) | 2009-09-28 | 2009-09-28 | Liquid crystal module testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201629127U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108109580A (en) * | 2018-01-05 | 2018-06-01 | 深圳市灰度软件有限公司 | Parameter adaptation method, apparatus, equipment and the storage medium of LED display |
| CN114758600A (en) * | 2022-06-16 | 2022-07-15 | 肇庆市金鹏实业有限公司 | Liquid crystal display module test system, device and method |
-
2009
- 2009-09-28 CN CN2009202175857U patent/CN201629127U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108109580A (en) * | 2018-01-05 | 2018-06-01 | 深圳市灰度软件有限公司 | Parameter adaptation method, apparatus, equipment and the storage medium of LED display |
| CN114758600A (en) * | 2022-06-16 | 2022-07-15 | 肇庆市金鹏实业有限公司 | Liquid crystal display module test system, device and method |
| CN114758600B (en) * | 2022-06-16 | 2022-09-23 | 肇庆市金鹏实业有限公司 | Liquid crystal display module test system, device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 430070 Hubei City, Hongshan Province, South Lake Road, No. 53, Hongshan Venture Center, building on the 4 floor, No. Patentee after: Wuhan Jingce Electronic Technology Co., Ltd. Address before: 430070 Hubei Province, Wuhan city Hongshan District Luoyu Road No. 424 Hongshan venture building block A No. 8088 Patentee before: Wuhan Jingce Electronic Technology Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 430070 Hubei City, Hongshan Province, South Lake Road, No. 53, Hongshan Venture Center, building on the 4 floor, No. Patentee after: Wuhan fine test electronics group Limited by Share Ltd Address before: 430070 Hubei City, Hongshan Province, South Lake Road, No. 53, Hongshan Venture Center, building on the 4 floor, No. Patentee before: Wuhan Jingce Electronic Technology Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101110 |