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Based on the backlight process, Inovance Vision developed a backlight lighting inspection vision system used for the lighting test before delivery and assembly.
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Backlight Lighting Inspection
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API Lighting Inspection
Application Video

Backlight Lighting Inspection

Product introduction

  Based on the backlight process, Inovance Vision developed a backlight lighting inspection vision system used for the lighting test before delivery and assembly. It saves manpower and greatly improves product delivery quality. So far, the system has been widely used in various production terminals.

 

Solution

INOVANCE

Pressing inspection station

 

INOVANCE

Main inspection station

 

Inspection specifications

 

Items

Dot defects

Black/White dots, bright dots or foreign objects

Linear defects

Linear foreign objects or backlight scratch

Mass defects

Black/White masses or dirt

Others

Abnormal display, uneven brightness, light leak or light eye

Inspection accuracy

Dot defect: > 0.15 mm

Linear defect: W > 0.03mm, L > 0.5 mm

Compatible screen size

3–8 inch, supporting the conventional and special-shaped screens

Missing rate

< 1% (Misdetection = Number of missing inspections/Total inspections x 100%)

Sieving rate

< 15% (Sieving rate = Number of sieving passed/Total number x 100%)

Inspection efficiency

One piece in less than 2.5s

Model change time

New product model: < 1 h; Old product model: < 0.5 h

Advantages

1、1.Customized optical hardware, ensuring high SNR

 

General camera

INOVANCE

 

INOVANCE

High SNR

INOVANCE

 

Customized camera

INOVANCE

 

INOVANCE

 

 

2、Deep learning mode based on non-defective products, ensuring high ease-of-use

 

 

Value

2、Needs less lighting reinspection workers, with an investment payback period less than 12 months

3、2.Significant improvement in product quality, with at least 70% reduction in dpppm compared with manual quality control

4、3.Strong usability, easily for technicians to master, and rapid application in factory

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API Lighting Inspection

Product introduction

  Based on the display module process, Inovance Vision developed the API lighting inspection vision system applicable to the Cell, Open Cell, and Module processes, which can be used for the lighting test during the module process and before delivery. This saves manpower and greatly improves product delivery quality. So far, the system has been widely used in various production terminals.

 

Inspection specifications

 

Items

Backlight defects

White points, foreign objects, dirt, scratch, light leak, and uneven brightness

Cell defects

Bright/Dark pixel defect, foreign objects, colored dots, scratch, yellow-white mass, red-blue dots, half-bright dots, lines, liquid leakage, and abnormal display

Polarizer defects

Foreign objects in upper and lower polarizers, scratch

Attaching defects

Foreign objects, bubbles, and assembly deviation (abnormal frame color or frame missing)

Others

No display, abnormal display, color cast, and broken screen

Inspection accuracy

Lighting defect: sub-pixel; Foreign object: 0.1 mm      

Linear defect: W > 0.02 mm, L > 0.5 mm

Compatible screen size

3–27 inch, supporting the conventional, special-shaped, and OLED screens

Inspection screen

Black, white, 128/64 gray, frame, red, green, blue, grayscale, and mixing

Missing rate

< 0.35% (Missing rate = Number of missing inspections/Total inspections x 100%)

Sieving rate

< 10% (Sieving rate = Number of sieving passed/Total number x 100%)

Inspection efficiency

7 frames per 8s

Model change time

New product model: < 1 h; Old product model: < 0.5 h

 

Advantages

1、1.Customized optical hardware, ensuring high SNR

 

General camera

INOVANCE

 

High SNR

INOVANCE

 

Customized camera

INOVANCE

 

INOVANCE

 

2、2.Deep learning mode based on non-defective products, ensuring high ease-of-use

 

 

Value

1.Needs less lighting reinspection workers, with an investment payback period less than 18 months

2.Significant improvement in product quality, with at least 60% reduction in dpppm compared with manual quality control

3.Strong usability, easy for technicians to master, and rapid application in factory

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电话

Hotline:

025-85302759

地址

Add:

Room 9F, Building 1, Kylin Artificial Intelligence Industry Park, No. 266, Chuangyan Road, Jiangning District, Nanjing, Jiangsu Province, China

About us

Nanjing Inovance Industrial Vision Technology Co., Ltd. (hereinafter referred to as Inovance Vision), a high-tech enterprise in artificial intelligence (AI) inspection, has been committed to promoting industrial intelligence with industrial vision solutions. 

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