CN202210078U - Back light module surface examining device and back light module panel - Google Patents
Back light module surface examining device and back light module panel Download PDFInfo
- Publication number
- CN202210078U CN202210078U CN2011202708223U CN201120270822U CN202210078U CN 202210078 U CN202210078 U CN 202210078U CN 2011202708223 U CN2011202708223 U CN 2011202708223U CN 201120270822 U CN201120270822 U CN 201120270822U CN 202210078 U CN202210078 U CN 202210078U
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- panel
- module backlight
- power supply
- light
- examining device
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Abstract
The utility model relates to a back light module surface examining device and a back light module panel. The surface examining device comprises a power supply, at least one cooling fan, and at least one luminous light source, wherein the cooling fan and the luminous light source are respectively connected with the power supply, and the luminous light source is irradiated on the luminous surface of the back light module. The surface examining device further comprises a blocking up jig on which the back light module is set, and the blocking up jig is set on a working table. The device adopts the 12V power supply and the light source of a bulb giving off yellow and green light, and a lamp shade is arranged on the bulb. The utility model has the advantages of simplicity in operation, easiness in use, large irradiation area, and excellent observation effect, and solves the technical problems of high faulty repair cost and large occupied use area on a working table in the prior art.
Description
Technical field
The utility model relates to a kind of surface examining device, particularly a kind of module backlight is carried out the surface examining device of surface inspection and the panel of module backlight.
Background technology
Module backlight (Back light module) is one of key part and component of panel of LCD (LCD panel); Because liquid crystal itself is not luminous; The function of module backlight promptly is well-off brightness and the light source that is evenly distributed, and makes its normally show image.
The LCD panel mainly is made up of spare parts such as colored filter, module backlight, drive IC, compensate film and Polarizer, glass substrate, ITO film, alignment film, control circuits; Because liquid crystal panel itself is not had a characteristics of luminescence, must reach the function of demonstration with module backlight, the LCD panel manufacturers is after producing face glass; Must combine colored filter earlier; Both pour into liquid crystal at involution Hou, with assemblies such as module backlight, drive IC, control circuit boards, are combined into the LCD module again.
Module backlight its mainly by light source (comprising cold cathode fluorescent tube (CCFL)), hot cathode fluorescent tube, light-emittingdiode (LED) etc.), assemblies such as lampshade, reflecting plate (Reflector), LGP (Light guide plate), diffusion sheet (Diffusion sheet 1-2 sheet), brightness enhancement film (Brightness enhancement film 1-2 sheet) and housing assemble, wherein blooming piece and LGP are main technology and cost place.Module backlight mainly provide liquid crystal panel one evenly, the light source of high brightness, point or linear light sources that ultimate principle system will use always see through the area source product that succinct effectively optical mechanism changes into high brightness and homogeneous briliancy.General structure is to utilize the linear light sources of cold-cathode tube to get into LGP through reflex housing, and the transition lines distribution of light sources becomes uniform surface light source, again through the equal light action of diffusion sheet and the light harvesting of prismatic lens do in order to the height that improves light source with all spend together.But, owing to surface blot, scrape and injure the appearance that production of foreign matters causes a large amount of defective productss, therefore, need a series of surface examining device of design to check whether the surface of module backlight exists surface blot, scrape and injure foreign matter.
In the prior art, by the power supply of the power supply of 100V～240V, the mode of lighting a lamp that adopts the HID electronic type is shone the surface blot of checking module light-emitting area backlight, is scraped and injure foreign matter module backlight, but there are many shortcomings in this kind mode:
The first, this equipment volume of prior art is too big, and it is too big to take area of work;
The second, breakdown maintenance cost is too high;
The 3rd, the supply voltage of use is too high, easily crisis user of service's personal safety;
The 4th, the light that this kind mode of lighting a lamp shines out causes eye tired for the personnel of long working.
The utility model content
The purpose of the utility model is to provide a kind of surface examining device of module backlight and the panel of module backlight, to solve breakdown maintenance cost height in the prior art, to take the big technical matters of worktable usable floor area.
In order to address the above problem; The utility model provides a kind of surface examining device of module backlight; Comprise power supply, at least one cooling fan and at least one illuminating source; Said cooling fan is connected with said power supply respectively with said illuminating source, and said illuminating source shines module light-emitting area backlight.
Preferably, also comprise the bed hedgehopping tool, said module backlight is placed on the said bed hedgehopping tool, and said bed hedgehopping tool is placed on the said worktable.
Preferably, said power supply is 12 volts.
Preferably, said light source is yellow, green glow lamp bulb.
Preferably, on said Huang, the green glow lamp bulb lampshade is set.
The utility model also provides a kind of panel of module backlight; The surface examining device that is used for module backlight; Comprise power supply, some cooling fans and some Huangs, green glow lamp bulb on the said panel, said cooling fan links to each other with said power supply respectively with said Huang, green glow lamp bulb.
Preferably, comprise a CS on the said panel.
Preferably, also comprise an intensity of light adjustable knob on the said panel.
Preferably, said power supply is 12 volts.
Preferably, on said Huang, the green glow lamp bulb lampshade is set.
Compared with prior art, there is following technique effect in the utility model:
The utility model provides a kind of surface examining device of module backlight; Its principle of work is; Huang, green glow light irradiation light are adjusted to suitable illumination, with irradiate light to module light-emitting area backlight, the operator be easy to just can find module light-emitting area backlight spot, scrape and injure foreign matter.There is following advantage in the utility model:
The first, the surface examining device of this patent is simple in structure, and overall dimensions diminishes, and reduces the usable floor area to worktable;
The second, than the advantage of prior art be, change power supply into 12 volts of direct currents by 110 volts of power supplies, more can guarantee user of service's personal safety;
The 3rd, the light source irradiation area is wider, the parallel ejaculation of light;
The 4th, this apparatus structure is simple, and maintenance cost is low;
The 5th, this device is made simple, and cost is low, can reach module light-emitting area backlight and pollute inspection requirements;
The 6th, the light source of this device adopts yellow, green glow, and this light is gentle, and human eye is not had injury, sees through green-yellow light, and the sharpness of object is the most obvious;
The 7th, yellow, green glow lamp bulb adds a lampshade, better accomplishes the protection to operating personnel's eyes.
Description of drawings
Fig. 1 is the structural representation of the surface examining device of a kind of module backlight of the utility model;
Fig. 2 is the perspective view of the surface examining device of a kind of module backlight of the utility model;
Fig. 3 is the structural representation of the panel of a kind of module backlight of the utility model;
Fig. 4 is the circuit diagram of the surface examining device of a kind of module backlight of the utility model.
Embodiment
The novel surface examining device that a kind of module backlight is provided of this use; It comprises power supply, at least one cooling fan and at least one illuminating source; Cooling fan is connected with power supply respectively with illuminating source, and power supply is given the power supply of cooling fan and illuminating source respectively, and the irradiated area of this illuminating source is wide; And the parallel ejaculation of light utilizes illuminating source to shine on the light-emitting area of judging module backlight on the module light-emitting area backlight whether spot is arranged, scrapes and injure foreign matter.
Please refer to Fig. 1, in the utility model, a bed hedgehopping tool 4 is set, bed hedgehopping tool 4 is placed on the worktable 5, then module 3 backlight is placed on the bed hedgehopping tool, the light-emitting area 31 of module 3 backlight faces up.The power supply that the utility model uses is 12 volts, and illuminating source 2 is yellow, green glow lamp bulb, and irradiation light yellow, green glow lamp bulb is relatively gentleer, can protect operating personnel's eyes.Irradiation light yellow, green glow lamp bulb is adjusted to suitable illumination, with irradiate light on module light-emitting area 31 backlight, the operator be easy to just can find module light-emitting area 31 backlight spot, scrape and injure foreign matter.
Below in conjunction with accompanying drawing, lift a concrete example and specify.
Please refer to Fig. 2 and Fig. 3; A kind of panel of module backlight; The surface examining device that is used for module backlight, this panel is arranged on the worktable 5 through height-adjustable support, comprises 12 volts power supply, some cooling fans 1 and some Huangs, green glow lamp bulb 6 on the panel; Cooling fan 1 links to each other with power supply respectively with yellow, green glow lamp bulb 6, and power supply is given cooling fan 1 and yellow, green glow lamp bulb 6 power supplies respectively.In the present embodiment, the number of cooling fan 1 is two, and number yellow, green glow lamp bulb 6 is relevant with light illumination, and the number of Huang, green glow lamp bulb 6 can be set as required.In the present embodiment; Number yellow, green glow lamp bulb 6 is five; And yellow, green glow lamp bulb is removable, increases the number of Huang, green glow lamp bulb 6 or reduces number yellow, green glow lamp bulb 6 according to demand, and yellow, green glow lamp bulb 6 is provided with lampshade.
Please refer to Fig. 4, above-mentioned any cooling fan 1 all is parallelly connected with any Huang, green glow lamp bulb 6, in the circuit of this surface examining device, also is provided with lighting control circuit 9.
One CS 7 is set on this panel, and the effect of this CS 7 is that control can be changed the path of Huang, green glow lamp bulb 6 or opened circuit.
One intensity of light adjustable knob 8 also is set on the panel, and these knob 8 scalable can be changed the light illumination of Huang, green glow lamp bulb 6, select suitable light illumination, so as more to view clearly module light-emitting area 31 backlight spot, scrape and injure foreign matter.
One bed hedgehopping tool 4 also is set on worktable 5, the light-emitting area 31 of module 3 backlight is placed on this bed hedgehopping tool 4 up, regulate the height of panel; Open CS 7; Regulate intensity of light adjustable knob 8, make yellow, green light bulb 6 be adjusted to suitable illumination, the parallel ejaculation of light also shines module light-emitting area 31 backlight; The operator be easy to just can find module light-emitting area 31 backlight spot, scrape and injure foreign matter
The surface blot of accurate thing, scrape that to injure foreign matter be the maximum reason that produces defective products, utilize the light wave principle, let the scratch, stain etc. on various items surface can't hide the cold light source inspection; Do not generate heat, do not injure and be examined object, adopt relatively mild Huang, green light, need are checked that for a long time worker's eyes play harmless effect; See through green-yellow light; The sharpness of object is the most obvious, simultaneously, can judge accurately that more scraping below the 10 μ m injures particulate.The utility model is simple to operate, uses easily, and irradiated area is wide, and observing effect is good.
More than a disclosed specific embodiment that is merely the application, but the application is not limited thereto, any those skilled in the art can think variation, all should drop in the application's the protection domain.
Claims (10)
1. the surface examining device of a module backlight comprises power supply, at least one cooling fan and at least one illuminating source, it is characterized in that, said cooling fan is connected with said power supply respectively with said illuminating source, and said illuminating source shines module light-emitting area backlight.
2. the surface examining device of module backlight as claimed in claim 1 is characterized in that, also comprises the bed hedgehopping tool, and said module backlight is placed on the said bed hedgehopping tool, and said bed hedgehopping tool is placed on the worktable.
3. the surface examining device of module backlight as claimed in claim 1 is characterized in that, said power supply is 12 volts.
4. the surface examining device of module backlight as claimed in claim 1 is characterized in that, said light source is yellow, green glow lamp bulb.
5. the surface examining device of module backlight as claimed in claim 5 is characterized in that, on said Huang, the green glow lamp bulb lampshade is set.
6. the panel of a module backlight; The surface examining device that is used for module backlight; It is characterized in that, comprise power supply, some cooling fans and some Huangs, green glow lamp bulb on the said panel, said cooling fan links to each other with said power supply respectively with said Huang, green glow lamp bulb.
7. the panel of module backlight as claimed in claim 6 is characterized in that, comprises a CS on the said panel.
8. the panel of module backlight as claimed in claim 6 is characterized in that, also comprises an intensity of light adjustable knob on the said panel.
9. the panel of module backlight as claimed in claim 6 is characterized in that, said power supply is 12 volts.
10. the panel of module backlight as claimed in claim 6 is characterized in that, on said Huang, the green glow lamp bulb lampshade is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202708223U CN202210078U (en) | 2011-07-28 | 2011-07-28 | Back light module surface examining device and back light module panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202708223U CN202210078U (en) | 2011-07-28 | 2011-07-28 | Back light module surface examining device and back light module panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202210078U true CN202210078U (en) | 2012-05-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202708223U Expired - Fee Related CN202210078U (en) | 2011-07-28 | 2011-07-28 | Back light module surface examining device and back light module panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202210078U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103575738A (en) * | 2012-07-19 | 2014-02-12 | 三星电机株式会社 | Surface foreign material detecting system and control method thereof |
| CN113008898A (en) * | 2021-02-25 | 2021-06-22 | 四川兆纪光电科技有限公司 | Detection device and detection method for backlight source module |
-
2011
- 2011-07-28 CN CN2011202708223U patent/CN202210078U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103575738A (en) * | 2012-07-19 | 2014-02-12 | 三星电机株式会社 | Surface foreign material detecting system and control method thereof |
| CN113008898A (en) * | 2021-02-25 | 2021-06-22 | 四川兆纪光电科技有限公司 | Detection device and detection method for backlight source module |
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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: 20120502 Termination date: 20150728 |
|
| EXPY | Termination of patent right or utility model |