CN104280396A - Sapphire substrate detection and recognition device suitable for LED production - Google Patents
Sapphire substrate detection and recognition device suitable for LED production Download PDFInfo
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- CN104280396A CN104280396A CN201410512112.5A CN201410512112A CN104280396A CN 104280396 A CN104280396 A CN 104280396A CN 201410512112 A CN201410512112 A CN 201410512112A CN 104280396 A CN104280396 A CN 104280396A
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- sapphire substrate
- circular disk
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Abstract
The invention discloses a sapphire substrate detection and recognition device suitable for LED production. The sapphire substrate detection and recognition device comprises a stander, wherein a sapphire substrate platform is arranged in the stander; a visible light emitter and a visible light receiver are arranged above the substrate platform; the visible light emitter is fixedly mounted on the stander; a moving platform is arranged in the stander; a transmission mechanism capable of at least moving in two directions is arranged in the moving platform; the visible light receiver is mounted on the transmission mechanism. The sapphire substrate detection and recognition device suitable for LED production is used for detecting a sapphire substrate according to a light ray reflection principle and realizes precise recognition on the position of the high-transparency sapphire substrate; meanwhile, the recognition device can comprehensively detect the substrate according to the motion of the visible light receiver relative to the substrate to be detected; moreover, the deflection of a reflected position caused by the motion of the sapphire substrate is avoided, and therefore, the detection comprehensiveness and the detection precision are effectively improved.
Description
Technical field
The present invention relates to a kind of optical detection apparatus, especially one is applicable to LED production sapphire substrate detection and indentification device.
Background technology
In LED production run, need to confirm the position of the sapphire substrate processed for it, make process equipment can carry out processing on real-time to substrate.The method carrying out confirming for process for sapphire-based Board position in conventional art is launch light in substrate, by the position that is blocked to light to determine the position of substrate relative to processing work.But said method only can for the not high silicon substrate material of penetrability, and its penetrability of sapphire substrate that current LED industry adopts can reach 90%, almost cannot block light, so traditional recognition methods is difficult to identify it.
In prior art, part relevant device utilizes the reflection of light to carry out the identification of sapphire substrate position, but it often needs to adopt large-scale apparatus platform, makes sapphire substrate carry out rotating and carry out detection and indentification; And sapphire substrate is in rotary course, affect by factors such as mechanical vibration, very likely occur the deviation of reflection angle, thus have impact on the precision of detection and indentification.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of optical identifying apparatus, and it can realize the accurate detection and indentification of the sapphire substrate to high transmission rate.
For solving the problems of the technologies described above, the present invention relates to one and be applicable to LED production sapphire substrate detection and indentification device, it includes frame, sapphire substrate platform is provided with in frame, visible light emitter is provided with above substrate stage, and visible light receiver, visible light emitter is fixedly installed on frame; Be provided with mobile platform in described frame, be provided with the gear train that at least can carry out moving on 2 directions in mobile platform, described visible light receiver is installed on gear train.
As a modification of the present invention, described mobile platform and gear train comprise, and prolong the rotating circular disk that horizontal direction carries out extending, it is connected on frame by rotating shaft; The lower surface of described rotating circular disk is provided with the chute prolonging its radius and carry out extending; Described chute inside is provided with the slide block be engaged with each other with chute, and described visible light receiver is installed on slide block lower surface.Adopt above-mentioned design, it is by the rotation of rotating circular disk, visible light receiver is also rotated thereupon, prolong rotating circular disk radius by visible light receiver with slide block to move simultaneously, thus make the motion of visible light receiver each position above substrate stage, and then visible light receiver is detected realize the detection to sapphire substrate by the light that sapphire substrate reflects.
As a modification of the present invention, be provided with electric rotating machine in described frame, its main shaft prolongs vertical direction and extends, and is connected to each other with the rotating shaft for being connected rotating circular disk.Adopt above-mentioned design, it drives rotating circular disk fast rotational by electric rotating machine, thus avoids manually carrying out the efficiency that rotation process causes and reduce.
As a modification of the present invention, described chute and slide block in the vertical direction all extend to rotating circular disk inside; In described rotating circular disk, its inner chute extended position is provided with the screw mandrel prolonging its radius and carry out extending, described slide block is fixed on screw mandrel; Described screw mandrel is provided with drive motor in rotating circular disk perimeter, and drive motor is fixedly mounted on rotating circular disk.Adopt above-mentioned design, it drives screw mandrel to prolong the rotating circular disk radius motion at its place by drive motor, thus band movable slider, and visible light receiver is prolonged chute and is moved on the radius of rotating circular disk, and then coordinate with above-mentioned electric rotating machine, visible light receiver voluntarily above sapphire substrate, can be detected the visible ray of sapphire substrate reflection, makes its detection efficiency and precision be able to remarkable improvement.
As a modification of the present invention, described rotating circular disk and sapphire substrate platform coaxial, the area of rotating circular disk is at least 1.2 times of substrate stage area.Adopt above-mentioned design, it can guarantee to fall within rotating circular disk via the visible ray of sapphire substrate reflection, thus visible light receiver can be detected it.
As a modification of the present invention, described Shelf External is provided with light shield, and it can avoid external light source to cause interference to detection, thus affects the precision of process for sapphire-based Board position detection.
Adopt and be above-mentionedly applicable to LED production sapphire substrate detection and indentification device, its principle of reflection by light carries out the detection of sapphire substrate, achieves the accurate identification to high-transmittance process for sapphire-based Board position; Meanwhile, above-mentioned recognition device adopts visible light receiver relative to substrate motion to be detected, and it can realize the complete detection to substrate, turn avoid sapphire substrate motion and the reflection position deviation that causes, thus effectively improves the comprehensive of detection and precision.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present invention;
Fig. 2 is rotating circular disk schematic internal view in the present invention;
Reference numerals list:
1-frame, 2-LED-baseplate platform, 3-visible light emitter, 4-visible light receiver, 5-rotating circular disk, 6-rotating shaft, 7-chute, 8-slide block, 9-electric rotating machine, 10-screw mandrel, 11-drive motor, 12-light shield.
Embodiment
Below in conjunction with the drawings and specific embodiments, illustrate the present invention further, following embodiment should be understood and be only not used in for illustration of the present invention and limit the scope of the invention.It should be noted that, the word "front", "rear" of use is described below, "left", "right", "up" and "down" refer to direction in accompanying drawing, word " interior " and " outward " refer to the direction towards or away from particular elements geometric center respectively.
Embodiment 1
One is as shown in Figure 1 applicable to LED production sapphire substrate detection and indentification device, it includes frame 1, sapphire substrate platform 2 is provided with in frame 1, visible light emitter 3 is provided with above substrate stage 2, and visible light receiver 4, visible light emitter 3 is fixedly installed on frame 1; Be provided with the rotating circular disk 5 prolonging horizontal direction and carry out extending in described frame 1, it is connected on frame 1 by rotating shaft 6.
The lower surface of described rotating circular disk 5 is provided with the chute 7 prolonging its radius and carry out extending; Described chute 7 inside is provided with the slide block 8 be engaged with each other with chute, and described visible light receiver 4 is installed on slide block 8 lower surface.Adopt above-mentioned design, it is by the rotation of rotating circular disk, visible light receiver is also rotated thereupon, prolong rotating circular disk radius by visible light receiver with slide block to move simultaneously, thus make the motion of visible light receiver each position above substrate stage, and then visible light receiver is detected realize the detection to sapphire substrate by the light that sapphire substrate reflects.
Adopt and be above-mentionedly applicable to LED production sapphire substrate detection and indentification device, its principle of reflection by light carries out the detection of sapphire substrate, achieves the accurate identification to high-transmittance process for sapphire-based Board position; Meanwhile, above-mentioned recognition device adopts visible light receiver relative to substrate motion to be detected, and it can realize the complete detection to substrate, turn avoid sapphire substrate motion and the reflection position deviation that causes, thus effectively improves the comprehensive of detection and precision.
Embodiment 2
As a modification of the present invention, be provided with electric rotating machine 9 in described frame 1, its main shaft prolongs vertical direction and extends, and is connected to each other with the rotating shaft 6 for being connected rotating circular disk 5.Adopt above-mentioned design, it drives rotating circular disk fast rotational by electric rotating machine, thus avoids manually carrying out the efficiency that rotation process causes and reduce.
All the other feature & benefits of the present embodiment are all identical with embodiment 1.
Embodiment 3
As a modification of the present invention, as shown in Figure 2, described chute 7 and slide block 8 in the vertical direction all extend to rotating circular disk 5 inside; In described rotating circular disk 5, its inner chute 7 extended position is provided with the screw mandrel 10 prolonging its radius and carry out extending, and described slide block 8 is fixed on screw mandrel 10; Described screw mandrel 10 is provided with drive motor 11 in rotating circular disk 5 perimeter, and drive motor 11 is fixedly mounted on rotating circular disk 5.Adopt above-mentioned design, it drives screw mandrel to prolong the rotating circular disk radius motion at its place by drive motor, thus band movable slider, and visible light receiver is prolonged chute and is moved on the radius of rotating circular disk, and then coordinate with above-mentioned electric rotating machine, visible light receiver voluntarily above sapphire substrate, can be detected the visible ray of sapphire substrate reflection, makes its detection efficiency and precision be able to remarkable improvement.
All the other feature & benefits of the present embodiment are all identical with embodiment 2.
Embodiment 4
As a modification of the present invention, described rotating circular disk 5 is coaxial with substrate stage 2, and the area of rotating circular disk 5 is 1.5 times of substrate stage area 2.Adopt above-mentioned design, it can guarantee to fall within rotating circular disk via the visible ray of sapphire substrate reflection, thus visible light receiver can be detected it.
All the other feature & benefits of the present embodiment are all identical with embodiment 3.
Embodiment 5
As a modification of the present invention, described frame 1 outer setting has light shield 12, and it can avoid external light source to cause interference to detection, thus affects the precision of process for sapphire-based Board position detection.
All the other feature & benefits of the present embodiment are all identical with embodiment 4.
Claims (6)
1. one kind is applicable to LED production sapphire substrate detection and indentification device, it is characterized in that, the described LED of being applicable to production sapphire substrate detection and indentification device includes frame, sapphire substrate platform is provided with in frame, visible light emitter is provided with above substrate stage, and visible light receiver, visible light emitter is fixedly installed on frame; Be provided with mobile platform in described frame, be provided with the gear train that at least can carry out moving on 2 directions in mobile platform, described visible light receiver is installed on gear train.
2. be applicable to LED production sapphire substrate detection and indentification device according to according to claim 1, it is characterized in that, described mobile platform and gear train comprise, and prolong the rotating circular disk that horizontal direction carries out extending, it is connected on frame by rotating shaft; The lower surface of described rotating circular disk is provided with the chute prolonging its radius and carry out extending; Described chute inside is provided with the slide block be engaged with each other with chute, and described visible light receiver is installed on slide block lower surface.
3. be applicable to LED production sapphire substrate detection and indentification device according to according to claim 2, it is characterized in that, be provided with electric rotating machine in described frame, its main shaft prolongs vertical direction and extends, and is connected to each other with the rotating shaft for being connected rotating circular disk.
4. be applicable to LED production sapphire substrate detection and indentification device according to according to claim 3, it is characterized in that, described chute and slide block in the vertical direction all extend to rotating circular disk inside; In described rotating circular disk, its inner chute extended position is provided with the screw mandrel prolonging its radius and carry out extending, described slide block is fixed on screw mandrel; Described screw mandrel is provided with drive motor in rotating circular disk perimeter, and drive motor is fixedly mounted on rotating circular disk.
5. be applicable to LED production sapphire substrate detection and indentification device according to according to claim 4, it is characterized in that, described rotating circular disk and sapphire substrate platform coaxial, the area of rotating circular disk is at least 1.2 times of sapphire substrate platform area.
6. be applicable to LED production sapphire substrate detection and indentification device according to according to claim 1, it is characterized in that, described Shelf External is provided with light shield.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410512112.5A CN104280396A (en) | 2014-09-29 | 2014-09-29 | Sapphire substrate detection and recognition device suitable for LED production |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410512112.5A CN104280396A (en) | 2014-09-29 | 2014-09-29 | Sapphire substrate detection and recognition device suitable for LED production |
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| CN104280396A true CN104280396A (en) | 2015-01-14 |
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| CN102901445A (en) * | 2012-09-28 | 2013-01-30 | 华中科技大学 | Device and method for detecting micro-electronic packaging process quality based on photo-thermal imaging |
| CN202735259U (en) * | 2012-06-07 | 2013-02-13 | 北京京东方光电科技有限公司 | Detecting device for residue on substrate |
| CN204495727U (en) * | 2014-09-29 | 2015-07-22 | 苏州赛森电子科技有限公司 | Be applicable to LED production sapphire substrate detection and indentification device |
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2014
- 2014-09-29 CN CN201410512112.5A patent/CN104280396A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2436744A (en) * | 2004-02-13 | 2007-10-03 | Tera View Ltd | A probe array for terahertz radiation |
| CN102812346A (en) * | 2010-03-24 | 2012-12-05 | Nec软件系统科技有限公司 | Analysis device |
| CN102906562A (en) * | 2010-03-29 | 2013-01-30 | 尤里康斯坦廷诺维奇·尼奇恩科 | Method for positioning and detecting invisible mark and detector for implementing same |
| CN202735259U (en) * | 2012-06-07 | 2013-02-13 | 北京京东方光电科技有限公司 | Detecting device for residue on substrate |
| CN102901445A (en) * | 2012-09-28 | 2013-01-30 | 华中科技大学 | Device and method for detecting micro-electronic packaging process quality based on photo-thermal imaging |
| CN204495727U (en) * | 2014-09-29 | 2015-07-22 | 苏州赛森电子科技有限公司 | Be applicable to LED production sapphire substrate detection and indentification device |
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Application publication date: 20150114 |