Custom-built White LED Backlight used to 12864 LCD Module for oxygenerator
||1.8mm, 2.3mm, 3mm, 5mm
||For lcd display
Backlight is a form of lighting used on LCD displays. The difference between the backlight and the forelight is that the backlight shines from the side or the back, where as the forelight, as the name implies, shines from the front. Its purpose is to increase illumination in low-light environments and brightness on computer monitors and LCD screens, producing light in a similar manner to CRT displays.
The light sources may be incandescent bulbs, electro-optic panels (ELP), light-emitting diodes (LED), cold cathode fluorescent tubes (CCFL), etc
For operation above 25 c,The ifm & Pd must be derated. the Curent derating is -7.2mA/ c for DC drive and -1.72 mA/ c for Puise drive,the Power dissipaton is -1.5mw/ c.The product working current not more than the 60% of the Ifm of Ifp according to the working temperature.
Custom must supply the following Specification,that we can quote immediately and exact.
1) Custom size of the backlight board;
2) Active Area size of the LED Backlight;
3) Luminance of the backlights;
4) LED light type like DIP LED, SMD or FPC;
5) Thickness of the back lighting;
6) A picture of the appearance;
7) Color of the LED light
8) Input Voltage and Connection Type
Product replacement and warranty
If you have any prodcut quality problem, you can send it back to us with the original condition,we will repair or exchange new one for you.
If you have any using problem of the products which buy from Qihang, please feedback to us first, and we will discuss the issue with you. Via our technical support, we can dig out your using problem via our technical support in most of cases.
Lost Products: If products get lost in delivery, or you still do not get your item for a long time, please contact our customer service timely. We will deal with this ASAP. Please do not deal with it all by yourself, we want you communicate with us. Usually, we will provide tracking number and tracking link timely. If products get lost on the way and we get confirm from couriers, we will arrange redelivery for your products. If you want ship it through express, then you need to pay express shipping fee.
1> ISO9001 certificated Factory supplied
2> RoHS Compliant, Lead Free, Reach Compliant
3> Competitive price and Short lead-time
4> International Approvals, Military Specifications
5> In stock, samples lead-time: 1 -- 3 days.
6> Small MOQ
1) Before the order is confirmed, we would check all the materials, they should be the same as the mass production.
2) We will keep tracing of every process in the manufacturing from the begining to the end.
3) Every product quality checked & cleaned before packing.
4) Before bulk delivery, clients could send one QC or point the third party to check the quality.
5) After the delivery, we will keep tracing of the product quality and we will try our best to help the clients when the problems happen.
We usually ship goods By DHL, UPS, EMS, Singpost airmail, and HongKong Airmail.
DHL: 3-5 days
UPS: 5-7 days
EMS: 10-15 working days
Chinapost/HongKong Airmail: 7- 25 working days. At most 45 days.
If you have not received the goods during the normal time, please contact us for checking the package status timely online or by email.
If you have technical problem with the product you received from us, please contact us online or by email
Remote help service: If your problem needs to be solved by remote help by our engineer, please download the teamviewer software, install it on your computer, then give us ID and password for remote help.
1. I want to ask the LED Backlight outline size is 250x30x1.5mm...…?
Answer: No problem. Firstly, pls send us your specification /drawing paper or samples,; we will introduce the suitable one if it is standard products.
Or we can modify based on your own drawing and requirement.
2. This LED Backlight is just what we want, but it is big size, do you have any smaller size? And the display content need to be changed a little.
Answer: For the LED Backlight type , if you need to modify the outline size which needs to open new tooling as customized one. we will analyze and share with you about the tooling specification/drawing. After you approve the specification/drawing ok , then we will start to open the tooling after your payment, After samples approved by you, then start the mass production.
3. This LCD Backlight is yellow-green, but I want blue backlight.
Answer: No problem, we can change the colors for you basic on your demand.
4. I want customize a new LED Backlight. Can you do?
Answer: Yes, we can. Please send your specification /drawing paper. If you have not, please kindly advise the outline size of the LED display, luminance, voltage, glass thickness if need backlight or PCB board with IC, We will evaluate the cost and give you price soon.
5. What is leading time for tooling?
Answer: Normally it will takes10 to 15 days after drawing paper confirmation and tooling payment, we can tell you the exact time when you confirm the drawing paper. We will provide 10-15pcs free samples for your approval after open tooling.
6. Can you send us samples for checking?
Answer: Yes,. Samples order is available if standard products or if we have stocks at hands.
If customize LED backlight, free samples (10-15pcs) can be offered you by free of charger.
7. What is the Leading Time?
Answer: If we have stock for the standard ones, the leading time is one day after payment. If it is the mass production for special ones, the leading time is about 15-30 days. If we can finish earlier, we will send you information in advanced.