1. Guangzhou Zheng Ming Laser Technology Co.,Ltd

2. We are a Professional Manufacturer of laser dot Light Guide Plate for LED panel light, LED down light, LED ceiling light, LED light box, LED TV etc. We imported the LASER MARKING MACHINE from Europe, combined our own patent technology, invented Zheng Ming laser dot light guide plate. With superior quality, at least 10 years' long life span, light transmittance and uniformity reach to 92%. Welcome customers all over the world to consult us and visit our factory.

3. Characteristic of Laser dotted Light Guide Plate (LGP) Material: Mitsubishi optical acrylic (PMMA) Design: Adopt the latest the optical light simulation software to design the distribution of laser dot. Process: Using the imported laser Equipment from Italy to dot on the Acrylic light guide plate. Quality: High light transmittance, uniformity reach to 92%, no yellowing, long life span Type of LGP Reflector Ele ment Dimensi ons Reflecting material Anti-UV Light Transmi ttance Rate Error Quality G uarantee Application E nvironment Laser D otted Laser Conca ved point 3D no addition material Yes93% 0.1m m 10 years Indoor and out door Silk PrintRaised point2DPrint InkNo70%1mm2 yearsIndoor only Comparison between the Laser LGP and Silk print LGP

4. Comparative Analysis for Different Light Guide Plate Content Silk-print ink light guide plate (The First) Zheng Ming Laser dotted Light guide plate (The Third) Testing CostHigh (wasting much ink)Low (Less than the first and second) Production Capability and Lead Time High and Long(300-400 ㎡ /day, but need to wait to dry) High and Short (300-400 ㎡ /day, can be finished immediately) Custom Designnoyes Light Guide Efficiency Middle （ 85% ） Middle to High （ 85%-92% ） Guarantee 1-3 years （ will be yellowish ） At least 6 years Dot FlexibilityLow (Just raised version) High （ Long/short vertical line, elliptical dot available ） Size Available According to the machine, usually less than 2M 1.4M width, No Limitation for length, According to the Acrylic’s size (usually 1.22*2.44M) ROHS, EnvironmentalSeldom yes, majority noyes PricelowMiddle to low

5. Light Guide Plate Working Principle

6. BLU Light Sources In LCD TVs: – CCFL – Cold Cathode Fluorescent Lamps LCD televisions produced a black and colored image by selectively filtering a white light. Conventionally, the light is typically provided by a series of CCFLs at the back of the screen. – LED – Light Emitting Diodes An LED-backlight LCD television is an LCD TV that uses LED backlighting instead of the CCFLs. It is not a true LED display but is called "LED TV" by some manufacturers. In Advertising light boxes: – Fluorescent tubes - Conventional – LED – Latest trend

7. Examples of Different Light Guide Plat Surface Parallel / Vertical lines Cross lines Zheng Ming Laser Dot (elliptical) Silk Print LGPMachine V-cut LGP Zheng Ming Laser Dot LGP

8. Zheng Ming Laser Dot Light Guide Plat Surface Zheng Ming Laser Dot Light Guide Plate Solution: Combination of variable ovals depending on the distance from light source; dots closer to light, micro lines when further away. Placement of ovals is like the diffusion in screen printing technology. LED Light Source

9. Comparative Study: Small Size– Zheng Ming Laser Dot LGP vs European Silk Print LGP European Silk Print LGP (420*310mm) Zheng Ming Laser dot LGP (420*310mm)

10. Comparative Study: Large Size – Zheng Ming Laser Dot LGP vs European Silk Print LGP European Silk Print LGP(1000*1000mm) Zheng Ming Laser dot LGP (900*1400mm)

11. Guangzhou Zheng Ming Laser Technology Co., Ltd ADD: Room102, 1#, Xin Cai Liao Technology Park, Taowan Industrial Area, Chajiao Road, Liwan District, Guangzhou, China (510370) Tel: 0086-20-81573995 Fax: 0086-20-81562431 Email: sales@backlightunit.com / MSN: haolaser@msn.cn Web: www.backlightunit.comwww.backlightunit.com Contact Person: Ivana Ms (150 1303 1095) Welcome to Visit our Factory Should you have any query, please feel free to contact us.