The relationship between the price and the quality of the Electroluminescent Panel
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Electroluminescent Paint Spray Technology and Materials
Normal Long Lifetime
The life stability range of each grade is 5-15%, according to the cost, artificial mixture is adjusted at any time.
Professional detection: humidity is 95%, temperature is 80 degrees and discontinuous work for 3-50hr to detect black spot.
Poor quality products are often claimed with high brightness and long lifetime. Increasing brightness is achieved by changing the power of electronic device. This way can not solve the problem of stability.
Anti voltage breakdown
A class standard Voltage is 180-440V
B class standard Voltage is 180V
C class standard Voltage is 160V
D class standard Voltage is 140V
Determined by the material and technology, short life materials are prone to heat, breakdown, inflammable and explosive batteries.
Indoor and outdoor.
Indoor and disposable
The adjustment is based on the using seasons, different regions, customer requirements, cost and so on.
Heat,breakdown, fast aging and has black spots.
Sparks from short circuit and circuit breakage.
Uncontrollable and unpredictable.The unilateral defects of EL panel or inverter cause unstable coordination among them.
The proportion of cost
The selection of EL phosphor is the main factor of the different price of EL panel.
1.Looking at the purchase contract of EL phosphor.Cheap prices are mainly derived from low quality EL phosphor.Low quality product not only has a high failure rate,but also the safety factor is low.Even DC3V is prone to breakdown and lead to fire.
2.Provide the documentary evidence of intellectual property rights.The counterfeit and inferior products have no research and intellectual property rights, especially the enterprises have no patent (Privately holding patents in China can evade mandatory safety testing and do not bear legal liability)
3.Provide the case of undertaking government projects.The large EL panel can be mass produced, the small EL panel is stable, and the public product has strict requirements.
4.Provide the quality inspection report in China.Because purchasers do not have professional and testing conditions, poor quality products are often claimed with high brightness and long lifetime. Increasing brightness is achieved by changing the power of electronic device. This way can not solve the problem of stability. Therefore, low price and high brightness products are common sales pitfalls. Low price profits must come from low quality raw materials.
5.Data measuring condition identification: Low quality and high brightness is obtained from high voltage and high frequency.While lifetime is obtained at low voltage and low frequency.The description is obtained from different test conditions, and only describes the brightness and life expectancy that buyers like.
6.Identify whether the manufacturer has professional technical history and inheritance,whether to cooperate with large retail enterprises to embody its quality control capability and enterprise value orientation. The risk of a businessman is not to sell fast and earn less,but has no the security of legal.
7.Low price and high quality products do not exist. If the procurement budget is low, the cost can be reduced by special luminescence design.Longer lifetime and higher brightness need other design ,accept or reject and a high level of technical team.
Environmental protection materials and general materials; Surface dyes and inverter.
Safety test: The stability of inverter.High voltage and high frequency lead to a rapid increase in brightness and a significant reduction in lifetime.
Intellectual property: KPT has 120 authorized patents in China and the United States.The data obtained in accordance with international standard AC115V\400Hz conditions. Market data are non - standard using AC112-140V, 800-1000Hz.