CN204229077U - LCD LCD screen detection device - Google Patents
LCD LCD screen detection device Download PDFInfo
- Publication number
- CN204229077U CN204229077U CN201420725684.7U CN201420725684U CN204229077U CN 204229077 U CN204229077 U CN 204229077U CN 201420725684 U CN201420725684 U CN 201420725684U CN 204229077 U CN204229077 U CN 204229077U
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- liquid crystal
- crystal display
- lcd
- ccd camera
- lcd liquid
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Abstract
The utility model relates to a kind of LCD LCD screen detection device, for detecting the bad point of LCD liquid crystal display, LCD liquid crystal display has front and back, front display image, comprise CCD camera assembly, liquid crystal display drived control assembly, white light source and industrial computer, CCD camera assembly is positioned at side, LCD liquid crystal display front, the image of CCD camera assembly shooting liquid crystal display display, liquid crystal display drived control assembly is connected with LCD liquid crystal display and control LCD liquid crystal display shows red, green, arbitrary color in blue and white, white light source is positioned at the side, the back side of LCD liquid crystal display, industrial computer is connected with CCD camera assembly and liquid crystal display drived control assembly respectively, whether the realtime graphic of the LCD liquid crystal display display that CCD camera assembly can obtain by industrial computer and initial setting contrast judgement LCD liquid crystal display there is bad point.LCD liquid crystal display no longer needs artificial eyesight to detect, and has not only saved cost of labor, and improves the reliability of detection, accurate to the judgement of aberration.
Description
Technical field
The utility model relates to a kind of pick-up unit, particularly relates to a kind of LCD LCD screen detection device.
Background technology
In LCD liquid crystal display production run, may bad point be there is in LCD liquid crystal display product, the bad point of LCDs also known as an absence from duty, it refer under liquid crystal display display black-and-white two color and red, yellow, primary colors shown by sub-pixel point, each point refers to a sub-pixel.What liquid crystal display was afraid of most is exactly bad point, once there is bad point, then not image out shown by tube display screen how, certain on display screen is some display same color forever.This " bad point " cannot keep in repair, and only has the whole display screen of replacing just can deal with problems.So liquid crystal display all can carry out bad point detection after manufacturing.
At present, be all checked by artificial visually examine to the detection of LCD liquid crystal display bad point, slight aberration is difficult to differentiate, some tiny damage is not easy discovery directly perceived, and can eye fatigue be caused facing to liquid crystal display visual inspection for a long time, eyes are damaged, also can affect test effect.
Utility model content
The technical problems to be solved in the utility model is: the utility model provides a kind of LCD LCD screen detection device that automatically can detect LCD liquid crystal display bad point.
The utility model solves the technical scheme that its technical matters adopts: a kind of LCD LCD screen detection device, for detecting the bad point of LCD liquid crystal display, described LCD liquid crystal display has front and back, described front display image, comprise CCD camera assembly, liquid crystal display drived control assembly, white light source and industrial computer, described CCD camera assembly is positioned at the side, front of LCD liquid crystal display, described white light source is positioned at the side, the back side of LCD liquid crystal display, the realtime graphic of described CCD camera assembly shooting liquid crystal display display, described liquid crystal display drived control assembly is connected with LCD liquid crystal display and control LCD liquid crystal display shows redness, green, arbitrary color in blue and white, described industrial computer is connected with CCD camera assembly and liquid crystal display drived control assembly respectively, whether the realtime graphic of the LCD liquid crystal display display that CCD camera assembly can obtain by described industrial computer and initial setting contrast judgement LCD liquid crystal display there is bad point.
Due to LCD liquid crystal display in the form of sheets, in order to ensure that white light source is irradiated on LCD liquid crystal display equably, make the display effect that LCD liquid crystal display obtains, further preferably, described white light source is template.This template white light source is installed in the back side of LCD liquid crystal display, and full wafer LCD liquid crystal display can be made to obtain uniform illumination.
Preferred further, described LCD LCD screen detection device also comprises housing, and described LCD liquid crystal display, CCD camera assembly and white light source are positioned at housing.This housing can block the other light sources of surrounding environment to the impact of described LCD LCD screen detection device, the reflection ray avoiding the illumination of the other light sources of surrounding environment to be mapped on liquid crystal display enters in CCD camera assembly, thus causes interference to the quality of the LCD LCD pictures of CCD camera assembly shooting.
Preferred further, described housing is the cuboid-type of hollow, and described housing has opening, and described LCD liquid crystal display and white light source are installed in bottom in housing, described CCD camera assembly is installed in housing internal upper part, and described opening is opened near LCD liquid crystal display place.Testing staff can be stretched in housing by opening and change LCD liquid crystal display.
Preferred further, described housing is made up of phenoplast.The housing that phenoplast are made can play insulating effect, ensures the damage that liquid crystal display does not cause by electrostatic interference.
Preferred further, described CCD camera assembly has pick-up lens, and the distance of described pick-up lens and LCD liquid crystal display is 12-13cm.This distance arranges and the LCD liquid crystal display images of CCD camera assembly collection can be made complete and have enough sharpness.
The beneficial effects of the utility model are, the white of the CCD camera assembly shooting LCD liquid crystal display display of the utility model LCD LCD screen detection device and redgreenblue totally four kinds of pictures, compared without four look pictures of bad point by the LCD liquid crystal display arranged in this four looks picture and industrial computer, then the algorithm by presetting in industrial computer judges whether detected LCD liquid crystal display has bad point, thus completes the automatic detection of this LCD LCD screen detection device to LCD liquid crystal display.Thus make LCD liquid crystal display no longer need artificial eyesight to detect, and not only save cost of labor, and improve the reliability of detection, stability and accuracy, accurate to the judgement of aberration.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the perspective view of the utility model LCD LCD screen detection device preferred embodiment.
Fig. 2 is the perspective view of the utility model LCD LCD screen detection device preferred embodiment installing LCD liquid crystal display.
In figure 100, LCD liquid crystal display; 1, CCD camera assembly; 2, white light source; 3, housing; 11, pick-up lens; 31, opening.
Embodiment
By reference to the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present utility model are described in a schematic way, and therefore it only shows the formation relevant with the utility model.
As shown in Figure 1-2, a kind of LCD LCD screen detection device of the utility model, for detecting the bad point of LCD liquid crystal display 100, described LCD liquid crystal display 100 has front and back, described front display image.This LCD LCD screen detection device comprises CCD camera assembly 1, liquid crystal display drived control assembly (not shown), white light source 2, housing 3 and industrial computer (not shown).Described LCD liquid crystal display 100, CCD camera assembly 1 and white light source 2 are positioned at housing 3.Described LCD liquid crystal display 100 and white light source 2 are installed in bottom in housing 3, and described white light source 2, in template, is installed in the back side of LCD liquid crystal display 100.Described CCD camera assembly 1 is installed in housing 3 internal upper part and is positioned at the side, front of LCD liquid crystal display 100, and described CCD camera assembly 1 has pick-up lens 11, and described pick-up lens 11 is 12-13cm with the distance of LCD liquid crystal display.
Described CCD camera assembly 1 takes the realtime graphic that LCD liquid crystal display 100 shows, and described liquid crystal display drived control assembly is connected with LCD liquid crystal display 100 and control LCD liquid crystal display 100 shows the arbitrary color in redness, green, blueness and white.Described industrial computer is connected with CCD camera assembly 1 and liquid crystal display drived control assembly respectively, and whether the realtime graphic that the LCD liquid crystal display 100 that CCD camera assembly 1 can obtain by described industrial computer shows and initial setting contrast judgement LCD liquid crystal display 100 have bad point.
The cuboid-type of described housing 3 in hollow, described housing 3 has opening 31, and described opening 31 is opened near LCD liquid crystal display 100 place.Described housing 3 is made up of phenoplast.
The course of work of this LCD LCD screen detection device is: the picture of described liquid crystal display drived control Component driver LCD liquid crystal display 100 difference display white, redness, green, blue totally four kinds of colors, the display frame of described CCD camera assembly 1 captured in real-time LCD liquid crystal display 100, then picture signal is transferred to industrial computer, carry out data by algorithm pre-set on industrial computer to compare, whether the picture then obtaining four kinds of colors that LCD liquid crystal display 100 shows has the comparative result of bad point, thus the bad point realizing LCD liquid crystal display 100 detects automatically.
With above-mentioned according to desirable embodiment of the present utility model for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this utility model technological thought, can carry out various change and amendment completely.The technical scope of this utility model is not limited to the content on instructions, must determine its technical scope according to right.
Claims (6)
1. a LCD LCD screen detection device, for detecting the bad point of LCD liquid crystal display (100), described LCD liquid crystal display (100) has front and back, described front display image, it is characterized in that: comprise CCD camera assembly (1), liquid crystal display drived control assembly, white light source (2) and industrial computer, described CCD camera assembly (1) is positioned at the side, front of LCD liquid crystal display (100), described white light source (2) is positioned at the side, the back side of LCD liquid crystal display (100), the realtime graphic of described CCD camera assembly (1) shooting liquid crystal display display, described liquid crystal display drived control assembly is connected with LCD liquid crystal display (100) and control LCD liquid crystal display (100) shows redness, green, arbitrary color in blue and white, described industrial computer is connected with CCD camera assembly (1) and liquid crystal display drived control assembly respectively, whether the realtime graphic that the LCD liquid crystal display (100) that CCD camera assembly (1) can obtain by described industrial computer shows and initial setting contrast judgement LCD liquid crystal display (100) there is bad point.
2. LCD LCD screen detection device according to claim 1, is characterized in that: described white light source (2) is in template.
3. LCD LCD screen detection device according to claim 1, it is characterized in that: also comprise housing (3), described LCD liquid crystal display (100), CCD camera assembly (1) and white light source (2) are positioned at housing (3).
4. LCD LCD screen detection device according to claim 3, it is characterized in that: described housing (3) cuboid-type in hollow, described housing (3) has opening (31), described LCD liquid crystal display (100) and white light source (2) are installed near housing (3) interior bottom, described CCD camera assembly (1) is installed in housing (3) internal upper part, and described opening (31) is opened near LCD liquid crystal display (100) place.
5. LCD LCD screen detection device according to claim 3, is characterized in that: described housing (3) is made up of phenoplast.
6. LCD LCD screen detection device according to claim 1, is characterized in that: described CCD camera assembly (1) has pick-up lens (11), and described pick-up lens (11) is 12-13cm with the distance of LCD liquid crystal display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420725684.7U CN204229077U (en) | 2014-11-27 | 2014-11-27 | LCD LCD screen detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420725684.7U CN204229077U (en) | 2014-11-27 | 2014-11-27 | LCD LCD screen detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204229077U true CN204229077U (en) | 2015-03-25 |
Family
ID=52927156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420725684.7U Expired - Fee Related CN204229077U (en) | 2014-11-27 | 2014-11-27 | LCD LCD screen detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204229077U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108594487A (en) * | 2018-04-26 | 2018-09-28 | 芜湖易测自动化设备有限公司 | A kind of liquid crystal display module lights appearance checking device |
| CN108594483A (en) * | 2018-04-04 | 2018-09-28 | Oppo广东移动通信有限公司 | The test method of display screen test fixture and display screen |
| CN109001922A (en) * | 2018-07-20 | 2018-12-14 | 深圳Tcl新技术有限公司 | Test method, device and the storage medium of liquid crystal display optical property |
| CN115031933A (en) * | 2022-08-09 | 2022-09-09 | 苏州浪潮智能科技有限公司 | Testing device and related assembly of display lamp |
-
2014
- 2014-11-27 CN CN201420725684.7U patent/CN204229077U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108594483A (en) * | 2018-04-04 | 2018-09-28 | Oppo广东移动通信有限公司 | The test method of display screen test fixture and display screen |
| CN108594487A (en) * | 2018-04-26 | 2018-09-28 | 芜湖易测自动化设备有限公司 | A kind of liquid crystal display module lights appearance checking device |
| CN109001922A (en) * | 2018-07-20 | 2018-12-14 | 深圳Tcl新技术有限公司 | Test method, device and the storage medium of liquid crystal display optical property |
| CN115031933A (en) * | 2022-08-09 | 2022-09-09 | 苏州浪潮智能科技有限公司 | Testing device and related assembly of display lamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150325 Termination date: 20211127 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |