CN203365348U - Glass detection device - Google Patents
Glass detection device Download PDFInfo
- Publication number
- CN203365348U CN203365348U CN 201320463976 CN201320463976U CN203365348U CN 203365348 U CN203365348 U CN 203365348U CN 201320463976 CN201320463976 CN 201320463976 CN 201320463976 U CN201320463976 U CN 201320463976U CN 203365348 U CN203365348 U CN 203365348U
- Authority
- CN
- China
- Prior art keywords
- glass
- plate
- light guide
- guide plate
- area source
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Planar Illumination Modules (AREA)
Abstract
A glass detection device is used for detecting the coverage effect of printing ink formed after silk screening of glass and comprises a detection box, an area light source, a fixing part and a power supply device, wherein the glass to be detected is placed at an opening end of the detection box; one part of light emitted by a luminous body is directly guided to a diffusion membrane through a light guide plate and then irradiates the surface of the glass; and the other part of the light is reflected by a reflection membrane and then irradiates the surface of the glass through the light guide plate and the diffusion membrane. Whether the printing ink formed after silk screening is uniform or not can be judged through observation of the light transmittance of an edge area: if the light can be transmitted through the printing ink formed after the silk screening of the glass and facula phenomena occur, distribution of the printing ink at the edge area is not uniform; and if the light cannot be transmitted through the printing ink formed after the silk screening of the glass, distribution of the printing ink at the edge area is uniform. With the adoption of the glass detection device, whether distribution of the printing ink of the glass with the printing ink area formed after the silk screening is uniform or not can be detected, so that the quality of touch screens is guaranteed.
Description
Technical field
The utility model relates to the detection technique field, particularly relates to a kind of glass detection device.
Background technology
Along with the development of electronic technology, in early 1990s, a kind of new human computer interaction's technology---touch screen technology has appearred.Utilize this technology, the user has so not only broken away from keyboard and mouse, and has made man-machine interaction more simple and direct the controlling of main frame with regard to realizing as long as touch lightly icon on the display screen of electronic product or word with finger.Therefore, touch screen technology has become current easy man-machine communication's input equipment.It has given multimedia with brand-new looks, is extremely attractive brand-new multimedia interactive equipment.Along with the increase day by day to the touch-screen demand such as notebook computer, mobile phone, panel computer, some be suitable for volume production and reaction velocity fast, save space, the touch-screen that is easy to exchange continues to bring out now on the market.
Glass is the basic raw material of producing touch-screen, in the glass processing process, must avoid touch-screen and other object to bump as far as possible, also will avoid airborne dust to fall into, paste glass surface simultaneously.Therefore, in the process of manufacture of glass, each procedure all will protect glass surface to avoid polluting glass surface in the manufacture craft process or in different operation course of conveying, makes glass suffer dirty, scratch etc. abnormal.
Silk-screen is a significant process in touch-screen manufacturing process.As depicted in figs. 1 and 2, can form one deck black ink on the fringe region 110 of glass 100 by the mode of silk-screen, to form the light tight zone covered by printing ink.The glass 100 that is formed with the black ink zone can increase the viewing area 120 of screen and the contrast of frame region 110.As shown in Figures 1 and 2, the structural representation that Fig. 1 is the glass 100 before silk-screen, the structural representation that Fig. 2 is glass 100 after silk-screen.
But usually, glass just carries out subsequent handling after forming ink layer via the silk-screen operation at once.Lack the step that the glass to being formed with after ink layer is detected, whether evenly can't screen the printing ink that silk-screen forms, can not guarantee whether the opaqueness of glass edge reaches requirement.
The utility model content
Based on this, be necessary the whether uniform problem of printing ink formed for detecting glass after silk-screen, a kind of glass detection device is provided.
A kind of glass detection device, the coverage effect for detection of the printing ink formed after glass silk screen printing comprises:
Detection case, for having the housing of openend, described detection case comprises a plurality of side plates, described a plurality of side plates surround receiving space jointly;
Area source, described area source is contained in described receiving space, and described area source comprises:
Luminophor;
Light guide plate, be platy structure, and described luminous body position is in the side of described light guide plate;
Reflection diaphragm, described reflection diaphragm is positioned at the below of described light guide plate and described luminophor; And
Diffusion barrier sheet, described diffusion barrier sheet is positioned at described light guide plate top, and described diffusion barrier sheet is parallel to described light guide plate;
Fixture, described fixture supports described area source, makes described area source be arranged at described side plate; And
Power supplier, described power supplier is electrically connected to described area source, for described area source provides power supply.
Therein in embodiment, extend along the direction of described light guide plate the relative both sides of described reflection diaphragm, form the reflection diaphragm sidewall, described reflection diaphragm sidewall scribbles the optical lens gelatin towards the surface of described light guide plate, so that described reflection diaphragm sidewall is attached to described light guide plate side.
Therein in embodiment, described light guide plate offers accepting groove on relative side, and described luminophor is contained in described accepting groove.
In embodiment, also comprise glass cover-plate therein, described glass cover-plate is platy structure, and described glass cover-plate is arranged at the openend of described detection case near described reflection diaphragm, and described glass cover-plate is parallel to described light guide plate.
In embodiment, the inboard on described side plate top offers groove therein, and the end of described glass cover-plate is embedded at described groove, so that described glass cover-plate is fixed in described side plate.
In embodiment, also comprise dust sticky paper therein, described dust sticky paper is attached at described glass cover plate surfaces.
In embodiment, described surface of side plate offers pilot hole therein, and described fixture is arranged in described pilot hole, and described area source is positioned on described fixture, so that described area source is arranged at described side plate.
Therein in embodiment, described fixture comprises that fastening post reaches the locating sleeve suitable with described fastening post, described pilot hole is the strip hole of extending along described detection case short transverse, described fastening post is arranged in described pilot hole and coordinates with described locating sleeve, described fastening post can move along the bearing of trend of described pilot hole, and described area source plate can move and move along with described fastening post.
In embodiment, also comprise base plate therein, described base plate and described glass cover-plate are oppositely arranged, and described base plate is parallel to described light guide plate.
In embodiment, described power supplier comprises the supply socket that is connected with power lead and the electronic rectifier be electrically connected to described supply socket by power lead therein, and described side plate offers through wires hole, and described power lead is arranged in described through wires hole.
Above-mentioned glass detection device, the homogeneity of the printing ink formed after the silk-screen operation for detection of glass.Glass to be detected is positioned over to the openend of detection case, area source is contained in detection case, and power supplier provides power supply for luminophor, and the light part that luminophor sends is via the light guide plate diffusion barrier sheet that directly leads, then shines glass surface; Another part reflects via reflection diaphragm, then, via light guide plate, diffusion barrier sheet, shines glass surface.Now, can judge that whether the printing ink formed after silk-screen is even by the transmittance of observing fringe region: if the hot spot phenomenon appears in the printing ink formed after glass silk screen printing meeting printing opacity, the printing ink skewness of fringe region is described; If the printing ink formed after glass silk screen printing can printing opacity, illustrate that the printing ink of fringe region is evenly distributed.Utilize above-mentioned glass detection device, can detect the glass ink that is formed with ink area after silk-screen and whether be evenly distributed, thereby effectively avoid bad product to flow into next process, guaranteed the quality of touch-screen.The employing area source irradiates glass, makes the light that shines glass surface more even, and light is perpendicular to the light of glass surface, the error produced while being conducive to reduce detection, the accuracy that raising detects.
The accompanying drawing explanation
Fig. 1 is the structural representation before glass silk screen printing in background technology;
Fig. 2 is the structural representation after the glass silk screen printing shown in Fig. 1;
The structural representation that Fig. 3 is glass detection device in an embodiment;
The structural representation at another visual angle that Fig. 4 is the glass detection device shown in Fig. 3;
The cut-open view that Fig. 5 is the glass detection device shown in Fig. 3;
The decomposing schematic representation that Fig. 6 is area source 220 in Fig. 3.
Embodiment
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.A lot of details have been set forth in the following description so that fully understand the utility model.But the utility model can be implemented much to be different from alternate manner described here, those skilled in the art can be in the situation that do similar improvement without prejudice to the utility model intension, so the utility model is not subject to the restriction of following public concrete enforcement.
It should be noted that, when element is called as " being fixed in " another element, can directly can there be element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be directly connected to another element or may have centering elements simultaneously.
Unless otherwise defined, all technology that this paper is used are identical with the implication that belongs to the common understanding of those skilled in the art of the present utility model with scientific terminology.The term used in instructions of the present utility model herein, just in order to describe the purpose of specific embodiment, is not intended to be restriction the utility model.Term as used herein " and/or " comprise one or more relevant Listed Items arbitrarily with all combinations.
Referring to Fig. 3 to Fig. 6, is the glass detection device 200 in an embodiment.The glass that the manufacture touch-screen is used, after the silk-screen operation, can form the light tight zone that be covered by black ink at the fringe region of glass.The light tight zone that formation is covered by black ink is mainly in order to increase the contrast of fringe region and viewing area, thereby can easily show lively, abundant color, improves user's experience sense.This glass detection device is for detection of the coverage effect of the printing ink in glass edge zone, detects whether even that the printing ink in glass edge zone distributes.
Fixture 230 supporting surface light sources 220, make area source 220 be arranged at side plate 212, thereby area source 220 can be contained in detection case 210.
Above-mentioned glass detection device 200, the homogeneity of the printing ink formed after the silk-screen operation for detection of glass.Glass to be detected is positioned over to the openend of detection case 210, area source 220 is contained in detection case 210, power supplier 240 provides power supply for luminophor 222, and the light part that luminophor 222 sends is via the direct guiding diffusion barrier sheet 228 of light guide plate 224, then shines glass surface; Another part reflects via reflection diaphragm 226, then, via light guide plate 224, diffusion barrier sheet 228, shines glass surface.Now, can judge that whether the printing ink formed after silk-screen is even by the transmittance of observing fringe region: if the hot spot phenomenon appears in the printing ink formed after glass silk screen printing meeting printing opacity, the printing ink skewness of fringe region is described; If the printing ink formed after glass silk screen printing can printing opacity, illustrate that the printing ink of fringe region is evenly distributed.Utilize above-mentioned glass detection device, can detect the glass ink that is formed with ink area after silk-screen and whether be evenly distributed, thereby effectively avoid bad product to flow into next process, guaranteed the quality of touch-screen.Employing area source 220 irradiates glass, makes the light that shines glass surface more even, and light is perpendicular to the light of glass surface, the error produced while being conducive to reduce detection, the accuracy that raising detects.
Referring to Fig. 6, is the decomposing schematic representation of area source 220.Extend along the direction of light guide plate 224 the relative both sides of reflection diaphragm 226, forms reflection diaphragm sidewall 226a.Particularly, because light guide plate 224 is rectangle, the reflection diaphragm 226 that is positioned at light guide plate 224 belows can be also rectangle.Extend along the direction of light guide plate 224 side corresponding on the long limit of reflection diaphragm 226, forms reflection diaphragm sidewall 226a.Reflection diaphragm sidewall 226a scribbles the optical lens gelatin towards the surface of light guide plate 224, so that reflection diaphragm sidewall 226a is attached to light guide plate 224 sides.The optical lens gelatin has high transparent, can improve photopermeability.And the optical lens gelatin is smoothly transparent, the loss in the time of can reducing light and see through.In addition, even the photoetching transparent adhesive tape still has good adhesiveness under the high heat condition of high temperature, material excellence, can be by reflection diaphragm 226 more firm light guide plate 224 sides that are attached at.The reflection diaphragm sidewall 226a that the relative both sides of reflection diaphragm 226 extend to form along the direction of light guide plate 224 is conducive to avoid the light sent from luminophor 222 to flow out and cause the light waste from the side of light guide plate 224.Scribble the optical lens gelatin on reflection diaphragm sidewall 226a, reflection diaphragm 226 can be attached to light guide plate 224 sides on the one hand, reduce on the other hand the loss of light.
Refer to Fig. 5, glass detection device 200 also comprises glass cover-plate 250.Glass cover-plate 250 is for placing glass to be detected.Glass cover-plate 250 is transparent glass cover-plates 250, to guarantee successfully to see through glass cover-plate 250 by the positive light penetrated of light guide plate 224, irradiates glass to be detected.Glass cover-plate 250 is platy structure, and glass cover-plate 250 is parallel to light guide plate 224.So glass cover-plate 250 also is parallel to reflection diaphragm 226 and diffusion barrier sheet 228.Particularly, light guide plate 224 is parallel to the surface level setting, and reflection diaphragm 226, diffusion barrier sheet 228 and glass cover-plate 250 all are parallel to the surface level setting.Glass cover-plate 250 is arranged at the openend of detection case 210 near reflection diaphragm 226, the i.e. top of detection case 210, and a plurality of side plate support glass cover plate 250.Be that reflection diaphragm 226, light guide plate 224, diffusion barrier sheet 228 and glass cover-plate 250 arrange successively from lower to upper.The light sent by luminophor 222 penetrates via the front of light guide plate 224, then, through diffusion barrier sheet 228 diffusions, shines the surface of glass to be detected by glass cover-plate 250.In other embodiment, light guide plate 224 also can, horizontal by the angle setting, be arranged in parallel between reflection diaphragm 226, light guide plate 224, diffusion barrier sheet 228 and glass cover-plate 250 as long as guarantee.Now, the light of launching from area source 220 is identical to the distance of glass cover-plate 250.
Glass cover-plate 250 can be the glass cover-plate 250 that a plurality of surveyed areas are set, to guarantee the one-time detection multiple pieces of glass.And a plurality of surveyed areas are arranged on the middle part of glass cover-plate 250, can prevent that side plate from blocking the surveyed area of glass cover-plate 250, some transmitted light not of the fringe region of glass while avoiding glass to be detected to be positioned on glass cover-plate 250, thus the accuracy detected improved.The work efficiency that a plurality of surveyed areas can improve glass detection device is set.
Please continue to consult Fig. 5, in present embodiment, the inboard on side plate 212 tops offers groove 212a, and the end of glass cover-plate 250 is embedded in groove 212a, so that glass cover-plate 250 is fixed in side plate 212.When the end of glass cover-plate 250 is embedded in groove 212a, can increases the suffered binding force of glass cover-plate 250, thereby prevent that glass cover-plate 250 from moving from the side plate top easily.
Please continue to consult Fig. 5, in present embodiment, glass detection device 200 also comprises dust sticky paper 260.Dust sticky paper 260 is white dust sticky paper.Dust sticky paper 260 is attached at glass cover-plate 250 surfaces, and dust sticky paper 260 is parallel to glass cover-plate 250.Dust sticky paper 260 also is parallel to reflection diaphragm 226, light guide plate 224 and diffusion barrier sheet 228.While being attached on glass cover-plate 250 by dust sticky paper 260, can make the light that appears soft, not dazzling, improve the user and observing the whether comfort of eyes evenly time of printing ink.
Refer to Fig. 4 and Fig. 5, in present embodiment, side plate 212 surfaces offer pilot hole 212b, and fixture 230 is arranged in pilot hole 212b, and area source 220 is positioned on fixture 230, so that area source 220 is arranged at side plate 212.Fixture 230 is mainly for supporting surface light source 220, and area source 220 is contained in detection case 210.Particularly, can be respectively equipped with pilot hole 212b for relative biside plate 212 surfaces, fixture 230 is arranged in pilot hole 212b, and the quantity of pilot hole 212b and fixture 230 can be identical.Can determine the principle on a plane according to three points of conllinear not, the combination of pilot hole 212b and fixture 230 can be set at least three groups, to determine a plane, when the light guide plate 224 of fixture 230 supporting surface light sources 220, guarantee the stability of area source 220.Certainly, be respectively provided to the combination of few two groups of pilot hole 212b and fixture 230 on side plate 212 that also can be relative.
Particularly, fixture 230 comprises that fastening post 232 reaches the locating sleeve 234 suitable with fastening post 232, pilot hole 212b is the strip hole of extending along detection case 210 short transverses, fastening post 232 can move along the bearing of trend of pilot hole 212b, area source 220 can move along with the movement of fastening post 232, thereby changes the distance between area source 220 and glass to be detected.The determining positions of fastening post 232 position of area source 220, thereby determined the distance between area source 220 and glass to be detected.Particularly, fastening post 232 can be screw, locating sleeve 234 can for the suitable nut of screw.Can be by set screw and nut, change the distance between area source 220 and glass to be detected, adjustment process is as follows particularly: when needs change between area source 220 and glass to be detected apart from the time, turn nut or screw, make screw and nut loosening; By by screw along on the bearing of trend of pilot hole 212b, move or on move on to the height needed, then turn nut or screw screw and nut screwed togather, thereby area source 220 is fixed in to this height.
In other embodiment, the projection that locating sleeve 234 extends to form along the receiving space direction for side plate 212, area source 220 can support by projection, so that area source 220 is arranged at side plate, and area source 220 is contained in detection case 210.
Please continue to consult Fig. 5, in present embodiment, detection case 210 also comprises base plate 214, and base plate 214 is oppositely arranged with glass cover-plate 250, and base plate 214 is parallel to light guide plate 224.Particularly, base plate 214, reflection diaphragm 226, light guide plate 224, diffusion barrier sheet 228 and glass cover-plate 250 all are arranged to parallel with surface level, the distance that arrives glass cover-plate 250 with the light that guarantees to launch from light guide plate 224 fronts equates, reduces the error detected.Locating sleeve 234 can also be for being arranged at the reference column on base plate 214, and area source 220 supports fixing by reference column.
Refer to Fig. 4, the area of area source 220 is less than the area of base plate 214.Particularly, the length on area source 220 long limits is identical with the length on base plate 214 long limits, and the length of area source 220 minor faces is less than the length of base plate 214 minor faces, so that the area of area source 220 is less than the area of base plate 214.When the area of area source 220 is less than the area of base plate 214, can observe the situation in base plate 214 and receiving space 211 by area source 220, easy to operate.
Refer to Fig. 3 and Fig. 4, in present embodiment, power supplier 240 comprises the supply socket 244 that is connected with power lead 242 and the electronic rectifier 246 be electrically connected to supply socket 244 by power lead 242.Also offer through wires hole 212c on the side plate 212 of detection case 210, power lead 242 is arranged in through wires hole 212c.Electronic rectifier 246 is contained in receiving space 211, and as shown in Figure 3, electronic rectifier 246 is positioned at the long side plate inboard of detection case 210, makes detection case 210 inner structure compactnesses.When whether the printing ink of needs detection glass is even, supply socket 244 can be inserted in to the civil power of 220V, electronic rectifier 246 is integrated into luminophor 222 direct currents for power supply by interchange.Certainly, in other embodiments, can also directly at the interior direct-current power source supply device that arranges of detection case 210, to luminophor 222, be powered.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (10)
1. a glass detection device, the coverage effect for detection of the printing ink formed after glass silk screen printing, is characterized in that, comprising:
Detection case, for having the housing of openend, described detection case comprises a plurality of side plates, described a plurality of side plates surround receiving space jointly;
Area source, described area source is contained in described receiving space, and described area source comprises:
Luminophor;
Light guide plate, be platy structure, and described luminous body position is in the side of described light guide plate;
Reflection diaphragm, described reflection diaphragm is positioned at the below of described light guide plate and described luminophor; And
Diffusion barrier sheet, described diffusion barrier sheet is positioned at described light guide plate top, and described diffusion barrier sheet is parallel to described light guide plate;
Fixture, described fixture supports described area source, makes described area source be arranged at described side plate; And
Power supplier, described power supplier is electrically connected to described area source, for described area source provides power supply.
2. glass detection device according to claim 1, it is characterized in that, extend along the direction of described light guide plate the relative both sides of described reflection diaphragm, form the reflection diaphragm sidewall, described reflection diaphragm sidewall scribbles the optical lens gelatin towards the surface of described light guide plate, so that described reflection diaphragm sidewall is attached to described light guide plate side.
3. glass detection device according to claim 1, is characterized in that, described light guide plate offers accepting groove on relative side, and described luminophor is contained in described accepting groove.
4. glass detection device according to claim 1, it is characterized in that, also comprise glass cover-plate, described glass cover-plate is platy structure, described glass cover-plate is arranged at the openend of described detection case near described reflection diaphragm, and described glass cover-plate is parallel to described light guide plate.
5. glass detection device according to claim 4, is characterized in that, the inboard on described side plate top offers groove, and the end of described glass cover-plate is embedded at described groove, so that described glass cover-plate is fixed in described side plate.
6. glass detection device according to claim 5, is characterized in that, also comprises dust sticky paper, and described dust sticky paper is attached at described glass cover plate surfaces.
7. glass detection device according to claim 1, is characterized in that, described surface of side plate offers pilot hole, and described fixture is arranged in described pilot hole, and described area source is positioned on described fixture, so that described area source is arranged at described side plate.
8. glass detection device according to claim 7, it is characterized in that, described fixture comprises that fastening post reaches the locating sleeve suitable with described fastening post, described pilot hole is the strip hole of extending along described detection case short transverse, described fastening post is arranged in described pilot hole and coordinates with described locating sleeve, described fastening post can move along the bearing of trend of described pilot hole, and described area source plate can move and move along with described fastening post.
9. glass detection device according to claim 4, is characterized in that, also comprises base plate, and described base plate and described glass cover-plate are oppositely arranged, and described base plate is parallel to described light guide plate.
10. glass detection device according to claim 1, it is characterized in that, described power supplier comprises the supply socket that is connected with power lead and the electronic rectifier be electrically connected to described supply socket by power lead, described side plate offers through wires hole, and described power lead is arranged in described through wires hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320463976 CN203365348U (en) | 2013-07-31 | 2013-07-31 | Glass detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320463976 CN203365348U (en) | 2013-07-31 | 2013-07-31 | Glass detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203365348U true CN203365348U (en) | 2013-12-25 |
Family
ID=49813094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320463976 Expired - Fee Related CN203365348U (en) | 2013-07-31 | 2013-07-31 | Glass detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203365348U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103383362A (en) * | 2013-07-31 | 2013-11-06 | 南昌欧菲光学技术有限公司 | Glass detecting device |
| WO2017133177A1 (en) * | 2016-02-02 | 2017-08-10 | 意力(广州)电子科技有限公司 | Device for detecting light leakage defect of touch panel |
| CN112213260A (en) * | 2019-07-12 | 2021-01-12 | 神讯电脑(昆山)有限公司 | Ink light leakage detection method and device |
-
2013
- 2013-07-31 CN CN 201320463976 patent/CN203365348U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103383362A (en) * | 2013-07-31 | 2013-11-06 | 南昌欧菲光学技术有限公司 | Glass detecting device |
| WO2017133177A1 (en) * | 2016-02-02 | 2017-08-10 | 意力(广州)电子科技有限公司 | Device for detecting light leakage defect of touch panel |
| CN112213260A (en) * | 2019-07-12 | 2021-01-12 | 神讯电脑(昆山)有限公司 | Ink light leakage detection method and device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203907479U (en) | LED lens with straight-down type backlight module | |
| CN203825226U (en) | Light guide plate, backlight module and display apparatus | |
| CN205049841U (en) | Backlight module and liquid crystal display (LCD) device | |
| CN202647443U (en) | LED (light emitting diode) backlight module and LED liquid crystal display device | |
| CN203365348U (en) | Glass detection device | |
| TWI446240B (en) | Input device with light patterns | |
| CN107092133A (en) | A kind of straight-down negative LED light source component, backlight module and display panel | |
| CN104296079B (en) | Diffusion plate support, down straight aphototropism mode set and display device | |
| CN103744217A (en) | Backlight module and display device | |
| CN204462594U (en) | A kind of display device | |
| CN103383362A (en) | Glass detecting device | |
| CN203365341U (en) | Detecting device for glass after silk screen printing | |
| CN203323024U (en) | Diffusion plate support, direct type backlight module and display device | |
| CN207213752U (en) | A kind of touch panel unit | |
| CN103399017A (en) | Glass silk printing detecting device | |
| CN201725313U (en) | Positioning device of splicing touch screen | |
| CN105465738A (en) | Lens, direct-light-type backlight module and liquid crystal display device | |
| CN202852725U (en) | Support device of light-emitting diode (LED) light mixing device | |
| CN206497221U (en) | A kind of level enters light type light guide plate | |
| CN201621625U (en) | Light guide plate for indicating lamp of notebook computer | |
| CN104251461A (en) | Lens and light source module with same | |
| CN209028244U (en) | Light guide plate, backlight module and display device | |
| CN108107640A (en) | Reflective type display apparatus | |
| CN208922017U (en) | A kind of back light mould group | |
| CN103090272A (en) | Straight down type backlight module and display device provided with the same |
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: 20131225 Termination date: 20170731 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |