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Director of Research Institute Ha Su Yung / randc@raygen.co.kr
Major Products Development of Linear BLU, Sample Manufacturing and execution of the governmental projects
Number of Staff 31 Persons
Address 414-8, Dangjeong-dong, Gunpo-si, Gyeonggi-do



















03/1999 Completed own development and applied to mass-production of Dot Screen Type of 12.1’ and 13.3’ sizes LGP which are the core parts of Back Light
04/1999 Developed 14.1’ LGP, which is the main product of Back Light (Designed in Dot Print Type and own technology was applied from design to production)
01/2000 Succeeded in development of Printless LGP for the first time in Korea and applie to mass-production (Mold core was etching treated in application of Micro Pattern and 100% own technology was applied) (Published in ET News, Patent Reg. No. 2000-38537)
01/2000 Succeeded in development of 14.1’ LGP for ultra thin film (2.0t * 0.7t) (Ultra thin film type/ correspondable with ultra light notebook)
03/2000 Developed engraved structure LGP in application of own technology (First in Korea) (Patent registered)
10/2000 Developed printless LGP for 15.1’ for the first time in Korea
11/2001 Developed and started mass-production of LCD Ass’y for 2.5’/3.5’ Camcorder
02/2002 Developed monitor flat panel 6t printless LGP for 15’ for the first time in Korea
06/2002 Developed and started mass-production of BLU for 15’ notebook
04/2003 Developed and started mass-production of both sides prism for 2.5’ CCFL type Camcorder (1 piece of sheet deleted)
05/2004 Developed front light BLU for 3.5’ LED (Patent registered)
03/2005 Developed and started mass-production of both sides prism for 2.5’ LED Type Camcorder
06/2006 Developed and started mass-production of both sides prism LGP for 15’ monitor and vertical type 32’ TV type BLU
03/2007 Developed and started mass-production of thin type Notebook BLU for 15.4’ LED fir the first time in Korea
03/2007 Developed diffusion panel for 32’ vertical type back light (Patent Registered)
06/2008 Developed both sides prism for 14’ notebook for the first time in Korea (2 pieces of sheets deleted)
12/2009 Developed 23’ monitor LED scanning BLU
12/2009 Developed and started mass-production of BLU in application of 47’ dimming technology
06/2010 Developed flat type (3t) injection LGP for 47’ LED TV for the first time in Korea

Patents Registration
(5 Cases)
Mold Device
Mold manufacturing method for printless LGP production for LCD
Engraved LGP and its manufacturing method
Diffusion panel for vertical type Back Light
LGP for Front Light Unit
Utility Models Registration
(2 Cases)
LGP for BLU of LCD
Prism LGP for Front Light Unit
Research Papers MicroLens Pattern LGP Mold Manufacturing in application of LIGA-Reflow
    (The Korean Society for Technology of Plasticity)
Micro Injection Forming of LCD LGP applying Micro-Lens in application of LIGA Reflow
    (Korean Society for Precision Engineering)
Study on Double Pattern of LGP using LED (Optical Society of Korea)
Analysis on Luminance Characteristics according to Serration Pattern of LGP using LED
    (Optical Society of Korea)
Analysis on Luminance Characteristics according to LGP Prism Angle
    (Photonics Technology Society)
Analysis on Prism Filling Ratio of LGP affecting Luminance (Photonics Technology Society)
The Fabrication of Optimization Techniques for LED Scanning Backlight Unit of Optics Design
    (Optical Society of Korea)

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