INDUSTRY

Mobile

Enhance completeness of all processes on your smartphone with a ㅣLAON PEOPLE's solution.

LAON PEOPLE's solution can be applied to all smartphone appearance inspection processes that require fast and accurate inspection.
We ensure much faster processing speed and accuracy comparing with operators. We also support customized solutions to the inspection that clients want.

Experience the case of other companies that introduced LAON PEOPLE's artificial intelligence software + vision solution, and camera module inspection solutions first.

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Camera Stain Inspection Information

Applied Solutions


NAVI AI Mars

 

A stain is a type of defect caused by poor camera module. Often, images taken with smartphones show faint marks in certain areas. These faint marks are sometimes referred to as stains, and in severe cases, it is difficult to identify with the naked eye so that they can be identified by shaking the screen. If the inspection is carried out with the rule base, several over-detections occur in the edge area due to the lens shading phenomenon. 


 LAON PEOPLE uses AI to conduct a stain inspection, and it has more accurate stains than the rule-based inspection. 








Overview of Inspection

  • ​Inspection Field: Mobile
  • Inspection Parts: Camera module
  • Inspection Type: Camera module stain inspection
  • Inspection Solution: NAVI AI Mars

 


Features and Benefits of LAON PEOPLE 

  • Possible to detect the stain on a uniform basis
  • Overcome the limitations of the rule-based inspection

 

 

Camera Lens Inspection Information
Applied Solution
LPMVC-U4M(USB3.0/4M) + Customized Vision SW
Because the lens module is composed of multiple single lenses, foreign/bad visual inspection of individual single lenses is required before assembling the lens module.

The client wanted to improve productivity and quality by replacing visual inspection for foreign substance/error of individual single lenses with vision inspection. Different types of defectives should be detectable in a single solution, and it is required to detect fine-sized defect considering product characteristics.
Overview of Inspection
  • Inspection Field: Smartphone
  • Inspection Part: Smartphone Camera Lens
  • Inspection Type: Lens Resolution Test, Lens Orientation Test, Lens Foreign Substance Test, In-depth Lens Inspection
    - Strong algorithms are needed to deal with different types of defects as a single solution
    - It is required to inspect each of the different sizes of single lenses with one vision solution
    - It is required to detect foreign substances and defects of fine size
    - It minimizes the difference in inspection time depending on the size of the lens, type, and number of foreign substances
  • Constitution of an Inspection Solution
    - Inspection Camera: LAON PEOPLE LPMVC-U4M(USB3.0/4M)
    - Inspection S/W: Customized Vision S/W of LAON PEOPLE

 







Contents of Inspection








Strengths of LAON PEOPLE
  • ​High-speed inspections and classification by grade are available.
  • The Smart Camera of the LAON PEOPLE recognizes the direction of the lens.
  • Test is possible by setting the direction of the lens to 0°, 90°, 180°, 270°.
  • Our product has a short inspection time (approximately 3 seconds of inspection time).
  • Our products allow precise measurements using precise motors and stages (1 μm units).
  • We support depth measurements of lenses.
  • When using the MIU of the LAON PEOPLE, the test can be performed at a high speed using the ISP for lens inspection.
  • You can test the lens with a sensor that will be used to obtain reliable test results.

 

Composite Inspection for the Assembly of Rear of Smartphone Information
Applied Solution
LPMVC-EE500(GigE/5M) + Customized Vision SW
Client, a complete smartphone manufacturer, wanted to introduce Vision Solution to the inspection process of assembly status on the back of the smartphone, which relied on visual inspection.

The client's on-site environment had to be considered, and the barcode readings had to be performed while checking the fastening of 11 parts that were spread throughout the back area within a minimum of time. In addition, we had to overcome the lighting environment that varies according to the work position of the site, and we had to ensure accuracy considering the environment in which the object of inspection moves at an unspecified speed and direction according to the worker. It is also required to solve the difficult challenges of minimizing the testing time.
Overview of Inspection
  • Inspection Field: Smartphone
  • Inspection Part: Rear of Smartphone
  • Inspection Type: Screw Inspection, Pad Attachment Inspection and Barcode Reading
  • Constitution of an Inspection Solution
    Inspection Camera: LAON PEOPLE LPMVC-EE500(GigE/5M)
    - Inspection S/W: Customized Vision S/W of LAON PEOPLE

 




Contents of Inspection



The solution is configured by optimizing the algorithm of pattern matching, position reading, measurement, and barcode reading, which is the vision software tool of LAON PEOPLE
- Check the tightening of the 9 screws engaged on the back of the product
- Check the attachment of two rubber-like pads of different sizes
- Read the 1D barcode on the back label

The solution is customized to make vision inspection available with one click
- Precise correction of angles using alignment of target objects, calculation of aligned angles and pattern matching
- Track and inspect screw locations and rubber pads
- Available to estimate and read one-dimensional barcode area

Strengths of LAON PEOPLE
  • ​We reduce the inspection beyond the goal while reducing computational load: [inspection time for 350 to 520 milliseconds].
  • We realize the solution customized for the clients with simple and convenient system.
  • We set the inspection area precisely.

 

 

Composite Battery Inspection (Barcode + OCR + Vision Check) Information
Applied Solution
LPMVC-EE500(GigE/5M) + Customized Vision SW
Clients have reviewed several solutions to quickly check the print status of their cell phone battery labels, but they face problems or excessive cost to perform the required tasks simultaneously.

It was required to determine accepted and defective products within the tolerance range by measuring the position while the printed string and barcode are read on the subject of the inspection moving at high speed. In addition, it was required to satisfy the performance standards of the inspection equipment and to secure the reliability of the inspection results.
Overview of Inspection
  • Inspection Field: Smartphone
  • Inspection Part: Smartphone Battery
  • Inspection Type: Inspection for the Barcode of Battery, Reading Optical Character of Battery, and Inspection for Outline Condition of Battery
  • Constitution of an Inspection Solution
    - Inspection Camera: LAON PEOPLE LPMVC-EE500(GigE/5M)
    - Inspection S/W: Customized Vision S/W of LAON PEOPLE

 





Contents of Inspection



Contents of Composite Inspection
- Read 3 character strings
- Read 2D barcode
- Measure the position of 0.5mm permissible error and determine the accepted/defective products
- Check the outline status of barcode
- S/N Count

Strengths of LAON PEOPLE

 

  • ​We perform OCR, barcode reading, and position testing at high speed.
  • Two identical systems are implemented in both directions to suit equipment design of clients.

 

 

LCD/OLED Panel Vision Inspection Information
Applied Solution
LPMVC-EE120(GigE/1.2M) + NAVI SW
Client, a smartphone manufacturer, wanted to introduce Vision Solution to the LCD display defect inspection process during the final inspection phase of the assembled smartphone.

It was required to solve the types of defects identified by the existing visual inspection with Vision Solution within an accurate and faster time, and to detect various types of defects in a single solution.
Overview of Inspection
  • Inspection Field: Smartphone
  • Inspection Part: Smartphone LCD/OLED
  • Inspection Type: Screw Inspection, Pad Attachment Inspection and Barcode Reading
  • Constitution of an Inspection Solution
    - Inspection Camera: LAON PEOPLE LPMVC-U10MC(USB/10M/Color)
    - Inspection S/W: Customized Vision S/W of LAON PEOPLE
    - Lens: 8mm
    - Lighting: 2 Bar Lightings

 


Contents of Inspection
Type of LCD Defect
[DOT] Hot / Dead Pixel Error
[BIT] Horizontal / Vertical Line Error
[Color Smear] Different Color in some areas
[Backlight] Very Dark


Strengths of LAON PEOPLE
  • ​The speed of inspection is fast (within 10 seconds of full inspection).
  • The performance of inspection is strong at bubbles (it makes an exception for the poor pattern of Bit and Dot caused by bubbles).
  • Making work is performed on foreign substances (automatic control of lighting).
  • Automatic inspection solution: it is available to convert and control the image without operator's intervention.
  • We provide the inspection on high-pixel display panel (Full HD, QHD).
  • We provide the detailed representation of the defect type (expression of color smudging, Dot, Bit and Hot/Dead).

 

 

Camera Module Inspection Information
Applied Solution
Module Testing Machine + S/W
Smartphone cameras are increasingly evolving into high-pixel cameras, and recently dual-cameras are becoming more common. Accordingly, the inspection process of the camera module must be able to process large amounts of data at high speed.

LAON PEOPLE has the world's No.1 technology for camera module inspection at the high speed.
> Development of Korea's First MIPI 4LANE Sensor Image Capture Solution in 2010
> Development of World's First MPI 4LANE Capture Solution Using USB3.0 for the First Time in 2011
> Development of World's First MPI 2 X 4LANE Capture Solution Using DUAL USB3.0 in 2015
> Development of World's First C-PHY MPI Capture Solution in 2016

Camera Module Capture Solution of LAON PEOPLE supports its own electrical character inspection and, if requested by clients (inspection equipment), provides PC version of the software for the quality test and focus test. It can be used for AA(Active Alinement), OIS hand tremor calibration inspection and Auto Focus inspection of clients.
Overview of Inspection
  • Inspection Field: Smartphone
  • Inspection Part: Smartphone Camera Module
  • Inspection Type: Electrical Characteristics, Quality Test and Focus Test
  • Constitution of an Inspection Solution
    - Inspection Camera: Camera Module Capture Solution of LAON PEOPLE
    - Inspection S/W: Customized Vision S/W of LAON PEOPLE

 



Contents of Inspection
1. Test for Electrical Characteristics





2. Quality Test





3. Focus Test



Strengths of LAON PEOPLE
  • ​We provide fast inspection speed and reliable test results.
  • We have fast inspection speed and high-performance inspection algorithms.
  • We have an optimized solution for automated devices.
  • Our solution has a user interface that is convenient for testing and setting.

 

 

Metal Sheet Ultrasonic Welding Defect Inspection Information
Applied Solution
LPMVC-EE120(GigE/1.2M) + NAVI SW
The client company, which is the finished goods maker of smartphone, wanted to introduce vision solution to the metal sheet inspection process during production.

It was required to resolve the types of defects identified by the existing visual inspection with a visionn solution in an accurate and faster time and detect various types of defects as a single solution.

Due to the small inspection area of the smartphone metal sheet and the variety of defect types, the client company was having a hard time inspecting the defective/accepted products.

LAONPEOPLE provided a vision solution that enables faster inspection through deep learning after classifying defective types and products.
Overview of Inspection
  • Inspection Field: Smartphone part
  • Inspection Parts: Smartphone metal sheet
  • Inspection Type: Inspection for various types of defects and accepted products of metal sheet
  • Configuration of Inspection Solution
    - Inspection Image: Set self-optical conditions and shoot
    - Inspection S/W: LAONPEOPLE NAVI AI Trainer, NAVI AI

 

 

Contents of Inspection
Defective Type of Metal Sheet
[Foreign Substances] In case there is a foreign substance in the ultrasonic bonding area of the metal sheet
[Overlapping] In case the ultrasonic bonding of the metal sheet overlaps
[Detaching] In case the ultrasonic bonding of the metal sheet is out of the bonding area
[Insufficiency] In case the metal sheet has less ultrasonic bonding, and there is an unbonded part
[Unbonded] In case the metal sheet does not proceed with ultrasonic bonding, and the entire sheet is not joined
[Detaching from Bonding Area] In case the ultrasonic bonding area of the metal sheet is completely out of bonding area

Learning Type of Defects








Features and Benefits of LAON PEOPLE
  • Quickly proceed with inspection (within 3.5 seconds per defect type)
  • Automatic inspection solution: image conversion and control without the intervention of inspector
  • Enable the customized classification inspection for defect types as the inspector can participate in learning