SHENZHEN CRTOP CO.,LTD.
| Payment Terms | |
| Supply Ability | |
| Delivery Time | |
| Packaging Details | |
| Pitch: | 2mm |
| LED lamp | hongsheng |
| Refresh | high refresh |
| View angele | 140º |
| View distance | 5m |
| Brightness | ≧600-2000cd |
| Contrast ratio: | 3000:1 |
| Characteristic | fast installation |
| Brand Name | CRTOP |
| Model Number | P2mm |
| Certification | CE/FCC |
| Place of Origin | CHIAN |
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Product Specification
| Payment Terms | Supply Ability | ||
| Delivery Time | Packaging Details | ||
| Pitch: | 2mm | LED lamp | hongsheng |
| Refresh | high refresh | View angele | 140º |
| View distance | 5m | Brightness | ≧600-2000cd |
| Contrast ratio: | 3000:1 | Characteristic | fast installation |
| Brand Name | CRTOP | Model Number | P2mm |
| Certification | CE/FCC | Place of Origin | CHIAN |
P2mm indoor led display led screen led vedio wall
Product features:
1, die cast aluminum box flatness is high, pure before maintenance or normal cabinet
2, high refresh rate, high gray scale
3, high contrast
4. No fan and mute
5, seamless stitching, fast installation
6.The multi-layer circuit design ensures uniform current distribution of the lamp board, good heat dissipation, prevents color blocks at low gray, and enhances the anti-electromagnetic interference ability. High-quality manufacturers in the sheet metal industry: Shengyi, Kingboard (KB), etc.
7. Connector: High-quality 3U gold-plated connector is used, and there is no cable connection in the box, which is stable and reliable.
8. Drive and control: Each module is controlled by an independent control card, with higher integration, stronger stability, better display effect, higher refresh rate, dedicated 16BIT high grayscale, high refresh drive constant current IC, unique elimination Hidden circuit, protect LED, prevent surge leakage; support system multi-channel redundant backup, module point-by-point chromaticity correction.
white balance brightness:≥600 cd-2000cd /㎡
Horizontal viewing angle:≥ 140°
vertical viewing angle: ≥ 120°
Contrast ratio: ≥3000:1
refresh rate: ≥ 384 0 Hz
Protection class:IP20
Single point luminance, chromaticity correction :have
color temperature :3200K—9300K adjustable
Visible distance : ≥3 meters
Brightness uniformity : ≥97%
Signal processing bits :16 bits*3
Grayscale : 65536
control distance Network cable: 100 meters, Optical fiber: 10 kilometers
drive mode :High gray-scale constant current source driver IC
frame rate :≥ 60HZ
way to control :Synchronize
Brightness adjustment range:0 to 100 stepless adjustment
Continuous working time:≥72 hours
Typical life:100,000 hours
Protection class : IP20
Operating Voltage: DC: 4.2-5V
Power Requirements AC: 220×(1±10%)V, 50×(1±5%)Hz
Maximum power consumption :680W / ㎡
Average power consumption: 270W / ㎡
Our Services
1. 27 Years professional led display manufacturer,
2. Shot delivery time: 5-15days.
3. Factory price.
4. OEM and ODM service
5. We can design special product for you.
6. 30% deposit for producing,70% balance to be paid before shipment.
7. EXW, FOB, CIF C&F, FCA, DDU, colorful trade term.
1. After-sales service:
1) Service principles: response in time, solve problems as soon as possible and ensure the use.
2) Service period: In the Maintenance period of the LED screen body, free of all maintenance charges; After Maintenance period, only charge the material costs fees free of manual work fees.
3) Service scope: If the users find any problem that cannot be solved, please contact with our company, we can response in 24 hours. In order to shorten the maintenance time, Our Company will deploy some spare parts such as power and chips etc.
4) Under normal use and storage, Our Company will be responsible for the equipment.
2. Pre-sales service:
1) Our company can arrange professionals to conduct site installation and debugging in strict accordance with the requirements of the schemes and the original manual. If there is any special requirement, it is necessary to make changes of part installation scheme, we will coordinate with users. Our company can ensure the consistence of completion time and contracted time. Any problems caused by natural factors or man-made, we will discuss with client to find solutions.
2) Our company can train the users based on the manual. The training include system use, system maintenance and equipment protection
FAQ
A: Yes, we welcome sample order to test and check quality. Mixed samples are acceptable.
A: Sample needs 3-5 days, mass production time needs 1-2 weeks for order quantity more than
A: Low MOQ, 1pc for sample checking is available
A: We usually ship by DHL, UPS, FedEx or TNT. It usually takes 3-5 days to arrive. Airline and sea shipping also optional.
A: Firstly, let us know your requirements or application.
Secondly, we quote according to your requirements or our suggestions.
Thirdly customer confirms the samples and places deposit for formal order.
Fourthly We arrange the production.
A: Yes. Please inform us formally before our production and confirm the design firstly based on our sample.
A: Yes, we offer 2-5 years warranty to our products.
A: Firstly, our products are produced in strict quality control system and the defective rate will be less
than 0.2%.
Secondly, during the guarantee period, we will send new lights with new order for small quantity. For
defective batch products, we will repair them and resend them to you or we can discuss the solution
including re-call according to real situation.
| Q: What is the brightness, viewing angle and wavelength of the LED? |
|
A: Luminous Intensity is equal to the amount of luminous flux emitted into a very small solid angle at a defined angular orientation from the light source. The measurement for luminous intensity is the candela. Symbol is Iv. Viewing Angle is the total cone angle in degrees encompassing the central, high luminous intensity portion of the LED beam from the on-axis peak to the off-axis point where the LED intensity is 50% of the on-axis intensity. This off-axis point is known as theta one-half ( 1/2). Two times 1/2 is the LEDs' full viewing angle; however, light is visible beyond the1/2 point. Wavelength is the distance between two points of corresponding phase and is equal to waveform velocity divided by frequency. It defines what color human eyes could recognize |
| Q: What is dominant wavelength? Please specify the ranges of wavelength in red, green and blue color respectively. |
| A: Dominant wavelength is defined as the best range of wavelength showing the most natural color recognized by human eyes. Researches indicate that fixed colors with wavelength of 620-630nm (red), 520-530nm (green) and 460-470nm (blue), in fact mixed in a particular proportion, can get the pure white. That is, in display field, people use luminous materials with above wavelength to make "compounded" white more natural.In order to get a good balance white led display, we specify the led colors with wavelength within 4nm for each color |
| Q: Which chip vendors are you buying from? |
| A: It depends on the Customer's requirement. We can purchase from Japan, Korea, Europe, USA. We are using chips mainly from Taiwan |
| Q: What is the chip size you're using for outdoor display? How about indoor display? |
| A: For outdoor display, we're using 12mil chip for red, 14mil for both green and blue. Regarding indoor display, 9mil for red, 12mil for green and blue are currently adopted |
| Q: How much will the brightness of LED drop down after 1000hrs? |
| A: Based on the result of aging test, the brightness decay of green LED is around 5%-8%, while blue is around 10%-14% and red is around 5%-8% |
Company Details
Business Type:
Manufacturer,Seller
Year Established:
1996
Total Annual:
6000000-7000000
Employee Number:
300~500
Ecer Certification：
Active Member
Company Profile: As the wholly owned subsidiary of Beijing Chontdo Optoelectronics, SHENZHEN CRTOP CO., Ltd is focused on overseas marketing and selling of LED display products, leverages the domestic direct sales advantage of Beijing Chonto and the overseas distribution advantage of CRTOP team. ... Company Profile: As the wholly owned subsidiary of Beijing Chontdo Optoelectronics, SHENZHEN CRTOP CO., Ltd is focused on overseas marketing and selling of LED display products, leverages the domestic direct sales advantage of Beijing Chonto and the overseas distribution advantage of CRTOP team. ...
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