luminescent board
Luminescence rods
Rubber cutter
colour panel
EL schoolbag
EL clocks&watches series
EL keyboard
EL footplate
EL cap
EL Piece&Bar
EL Badge
EL T shirts
EL instruments series
EL twinkling super-thin ads
EL twinkling vehicle mark
LCD backlight
EL firefighter emergency channel series
EL冷光片
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东莞大朗机械研发部成立
EL背光技术的应用和发展
研发部在华强北成立
天海辰公司转换成外资公司
按键彩色导光膜
公司搬迁信息
 
 
TECHNOLIGY SERVICES

  

一、 EL Principle

   Driven by the electricity(AC),the particle of luminescent material (ZnS)produces excitation jumping,and when returns to ground state,it is emitting high-frequency cold light.(Phosphor powder)
 

二、 EL Structure

   
  EL结构 EL is the interlayer type structure, there are respectively two electrodes. The top electrode has the electric membrane, from which the light projects,and the bottom one is back electrode ,whose material is mainly silver or carbon. The luminescent material of EL is zinc sulfide (ZnS), when, it has different activators, and driven by the electric field, it can emit light of different colours. The brightness of EL varies with the interelectrode voltage, and frequency’ changing. Usually, when the voltage and frequency increase, the brigtness also increases correspondingly.

三、 EL Features

   
· Low power waste- emitting light even under low voltage,milliwatt level
· Super-thin-(up to 0.2mm)
· Curved- can be fabricated to any shape as you design,shining,and even can be folded
· No heat emitted- Cold light source ,uncalefactive,the work temperature is lower than fluorescence
·

Soft and stable light-no coruscating,it won't hurt your eyes with tension,tiredness

· Excellent shockproof- different from other luminophor, it won’t expire because of outside impact.
· Long service life—EL life is weighed through half life ((half brightness), which is3000-20000 hour.
 

四、 TechnologySpecifications:

   
 
Thickness (mm)
Current mA/Cm2
Capacitance nf/Cm2
Service Life (h)
<0.5
<0.14
0.2-0.45
3000-20000
 
Color
Blue
Blue-Green
Green
White

Wave Length(nm)

455 500 506 .
Brightness (cd/sq.m) 30-70 70-150 70-150 60-120
  TESTING CONDITION
Voltage :110V     Woring voltage range :30-130V    
Optimal woring voltage :60-110V
Frequency :400HZ    Working frequency range :50-3000HZ      
Optimal working frequency :400-800HZ
The brightness is increasing with voltage and frequency 's increasing   
Operating Temperature:  -300C~+450C ,   Storage Temperature: -650C~850C  

 

 
Copyright by SHENZHEN TECHVAST TECHNOLOGICAL CO.,LTD
Block A,Shen Chang Gang Industry Garden, Jing Long First Road,Bao Long Industrial City, Long Gang District, ShenZhen City, China.
Tel: +86-0755-88853922 89669831
E-Mail:lily@thch.net