CN113390612A - MiniLED detection equipment with point-to-point multi-optical-path optical component - Google Patents
MiniLED detection equipment with point-to-point multi-optical-path optical component Download PDFInfo
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- CN113390612A CN113390612A CN202110622495.1A CN202110622495A CN113390612A CN 113390612 A CN113390612 A CN 113390612A CN 202110622495 A CN202110622495 A CN 202110622495A CN 113390612 A CN113390612 A CN 113390612A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/02—Testing optical properties
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Abstract
The invention discloses a MiniLED detection device with a point-to-point multi-optical-path optical component, which comprises a point-to-point array optical-path optical component, an array probe, a moving platform, a moving motor, a shading and light-transmitting component, a circuit control system, an array spectrometer, a specially-made CCD, a specially-made light source and a positioning component. This scheme is through the point-to-point array light path optical component who is equipped with, and the light that realizes that a plurality of LEDs electrically conducts simultaneously and send gets into different spectrum appearance respectively through different light paths, can reduce a plurality of LED circular telegram check-out time, has improved detection speed, has improved efficiency, and the cost is reduced has increased miniLED test manufacturer's profit, has very big market space, is worth the whole trade and uses widely.
Description
Technical Field
The invention relates to the field of LEDs, in particular to MiniLED detection equipment with a point-to-point multi-optical-path optical component.
Background
As the size of the mini-LED chips is reduced to about 100 microns (0.1 mm), the production cost and test sorting cost of ultra-fine pitch mini-LED chips is relatively high. The high cost is a key restriction factor for the large-scale application of the Mini LED. Compared with the production cost of the mini-LED chip, when the area is less than 32 mils, the MiniLED test sorting price is higher, and the test cost is very high.
At present, the price for testing is mainly limited by low testing speed and long total testing time, wherein the total testing time comprises loading and unloading time, platform moving motor moving platform time, LED power-on light-measuring time and application downstream connection time.
Aiming at the time of electrifying and photometry of the LED, LED test equipment tests the same optical parameter and electrical parameter of an LED array on a blue film one by one, generally the LED test equipment is multi-probe test equipment, currently popular is 8-probe test equipment, 4 LEDs can be tested simultaneously, the 4 LEDs are lightened one by one through current control, the optical parameter and the electrical parameter are tested one by one, the detection efficiency is low, the detection speed is low, the detection cost is high, and the problem needs to be solved.
In order to solve the technical problems, the invention provides a MiniLED detection device with a point-to-point multi-optical-path optical component.
Disclosure of Invention
The invention aims to provide MiniLED detection equipment with a point-to-point multi-optical-path optical component, which aims to solve the problems of low detection efficiency, low detection speed and high detection cost in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: a MiniLED detection device with a point-to-point multi-optical-path optical component comprises a point-to-point array optical-path optical component, an array probe, a moving platform, a moving motor, a shading light-transmitting component, a circuit control system, an array spectrometer, a specially-made CCD and a specially-made light source.
Furthermore, the point-to-point array light path optical component is a MiniLED chip point light source-spectrometer array light path optical component which is an LED light-tight component consisting of a plurality of independent hollow light-tight and LED light-tight parts.
Furthermore, the number of array probes is more than or equal to 2.
Furthermore, the moving platform is located below the array probe and above the moving motor.
Furthermore, the area of the moving platform is larger than that of the array LED to be detected.
Further, the moving motor can perform vertical movement and horizontal movement.
Furthermore, the shading and light transmitting component is located outside the point-to-point array light path optical component, the array probe, the mobile platform, the mobile motor, the circuit control system and the array spectrometer, the shading and light transmitting component does not transmit light emitted by the LED, the light transmittance of the shading and light transmitting component is less than 1%, the shading and light transmitting component can transmit light emitted by the special light source, and the special CCD can image through light emitted by the special light source.
Furthermore, the circuit control system controls the array probe, the moving platform, the moving motor and the array spectrometer.
Furthermore, the number of the array spectrometers is more than or equal to 2; the array spectrometer is positioned on the upper part of the array probe.
Furthermore, the array spectrometer is an optical fiber spectrometer or an optical fiber spectrometer with an integrating sphere, the positioning components are positioned on the moving platform, and the number of the positioning components is more than or equal to 2.
Compared with the prior art, the invention has the beneficial effects that: this scheme is through the point-to-point array light path optical component who is equipped with, and the light that realizes that a plurality of LEDs electrically conducts simultaneously and send gets into different spectrum appearance respectively through different light paths, can reduce a plurality of LED circular telegram check-out time, has improved detection speed, has improved efficiency, and the cost is reduced has increased miniLED test manufacturer's profit, has very big market space, is worth the whole trade and uses widely.
Drawings
Fig. 1 is a schematic diagram of a MiniLED inspection apparatus with a point-to-point multi-optical-path optical component according to the present invention.
In the figure, the LED array comprises a point-to-point array light path optical component 1, an array probe 2, a moving platform 3, a moving motor 4, a shading and light transmitting component 5, a circuit control system 6, an array spectrometer 7, an integrating sphere 71, an optical fiber 72, a MiniLED chip point light source 8, an array LED9, a special light source 11, a positioning component 12, a hollow light transmitting part 21 and a light transmitting part 22, wherein the light transmitting part is not transmitted by the LED.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: the MiniLED detection equipment with the point-to-point multi-light-path optical component comprises a point-to-point array light-path optical component 1, an array probe 2, a moving platform 3, a moving motor 4, a shading and light-transmitting component 5, a circuit control system 6, an array spectrometer 7, a special light source 11, a positioning component 12, a hollow light-transmitting part 21 and a light-transmitting part 22 emitted by an opaque LED.
Further, the point-to-point array light path optical component 1 is a MiniLED chip point light source 8 to spectrometer 7 array light path optical component, which is a component with a plurality of independent hollow light-transmitting portions 21 and light-blocking portions 22 from LEDs.
Further, the number of the array probes 2 is 2 or more.
Further, the moving platform 3 is located below the array probe 2 and above the moving motor 4.
Further, the area of the moving platform 3 is larger than the area of the array LED9 to be detected.
Further, the moving motor 4 can perform vertical movement and horizontal movement.
Furthermore, the shading and light transmitting component 5 is located outside the point-to-point array light path optical component 1, the array probe 2, the moving platform 3, the moving motor 4, the circuit control system 6 and the array spectrometer 7, the shading and light transmitting component 5 cannot transmit light emitted by the LED, the light transmittance of the shading and light transmitting component 5 is less than 1%, the shading and light transmitting component 5 can transmit light emitted by the special light source, and the special CCD can image light emitted by the special light source 11.
Furthermore, the circuit control system controls the array probe 2, the moving platform 3, the moving motor 4 and the array spectrometer 7.
Furthermore, the number of the array spectrometers 7 is more than or equal to 2; the array spectrometer 7 is located on the upper portion of the array probe 2.
Furthermore, the array spectrometer 7 is a fiber spectrometer or a fiber 72 spectrometer with an integrating sphere 71, the positioning components 12 are located on the moving platform, and the number of the positioning components 12 is greater than or equal to 2.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes, modifications, equivalents and improvements may be made without departing from the spirit and scope of the invention.
Claims (9)
1. A MiniLED detection device with a point-to-point multi-light-path optical component comprises a point-to-point array light-path optical component, an array probe, a moving platform, a moving motor, a shading light-transmitting component, a circuit control system, an array spectrometer, a specially-made CCD and a specially-made light source, wherein the point-to-point array light-path optical component is a point light source of a MiniLED chip to the spectrometer array light-path optical component, and the optical component is a light component emitted by a non-transparent LED and composed of a plurality of mutually independent hollow light-transmitting parts and light-transmitting parts emitted by the non-transparent LED.
2. A MiniLED inspection apparatus with point-to-point multi-optical path optics as claimed in claim 1, wherein: the number of array probes is more than or equal to 2.
3. A MiniLED inspection apparatus with point-to-point multi-optical path optics as claimed in claim 1, wherein: the moving platform is positioned below the array probe and above the moving motor.
4. A MiniLED inspection apparatus with point-to-point multi-optical path optics as claimed in claim 1, wherein: the area of the mobile platform is larger than that of the array LED to be detected.
5. A MiniLED inspection apparatus with point-to-point multi-optical path optics as claimed in claim 1, wherein: the moving motor can realize vertical movement and horizontal movement.
6. A MiniLED inspection apparatus with point-to-point multi-optical path optics as claimed in claim 1, wherein: the shading and light transmitting component is located outside the point-to-point array light path optical component, the array probe, the mobile platform, the mobile motor, the circuit control system and the array spectrometer, the shading and light transmitting component cannot transmit light emitted by the LED, the light transmittance of the shading and light transmitting component is less than 1%, the shading and light transmitting component can transmit light emitted by the special light source, and the special CCD can image through light emitted by the special light source.
7. A MiniLED inspection apparatus with point-to-point multi-optical path optics as claimed in claim 1, wherein: the circuit control system controls the array probe, the moving platform, the moving motor and the array spectrometer.
8. A MiniLED inspection apparatus with point-to-point multi-optical path optics as claimed in claim 1, wherein: the number of the array spectrometers is more than or equal to 2, and the array spectrometers are positioned on the upper part of the array probe.
9. A MiniLED inspection apparatus with point-to-point multi-optical path optics as claimed in claim 1, wherein: the array spectrometer is an optical fiber spectrometer or an optical fiber spectrometer with an integrating sphere, the positioning components are positioned on the moving platform, and the number of the positioning components is more than or equal to 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110622495.1A CN113390612A (en) | 2021-06-04 | 2021-06-04 | MiniLED detection equipment with point-to-point multi-optical-path optical component |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110622495.1A CN113390612A (en) | 2021-06-04 | 2021-06-04 | MiniLED detection equipment with point-to-point multi-optical-path optical component |
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| CN113390612A true CN113390612A (en) | 2021-09-14 |
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2021
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