SHENZHEN CRTOP CO.,LTD.
| Payment Terms | |
| Supply Ability | |
| Delivery Time | |
| Packaging Details | |
| PITCH | p0.9375mm、p1.25mm、p1.44mm p1.5625mmp1.875mm |
| cabinet | Die cast aluminum |
| strength | low blue ray |
| view angle | 140º |
| refresh | 1920-3840Hz |
| Maintain mode | Front maintain |
| characteristic | High dynamic HDR technology, the color is richer |
| Brand Name | CRTOP |
| Model Number | p0.9375mm、p1.25mm、p1.44mm p1.5625mmp1.875mm |
| Certification | CE Rohs FCC EMC ETL RSE |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | Supply Ability | ||
| Delivery Time | Packaging Details | ||
| PITCH | p0.9375mm、p1.25mm、p1.44mm p1.5625mmp1.875mm | cabinet | Die cast aluminum |
| strength | low blue ray | view angle | 140º |
| refresh | 1920-3840Hz | Maintain mode | Front maintain |
| characteristic | High dynamic HDR technology, the color is richer | Brand Name | CRTOP |
| Model Number | p0.9375mm、p1.25mm、p1.44mm p1.5625mmp1.875mm | Certification | CE Rohs FCC EMC ETL RSE |
| Place of Origin | CHINA | ||
| High Light | P0.9375mm Indoor LED Video Walls ，ROHS 600cd Indoor LED Video Walls ，P0.9375mm Full Color Led Display Screen | ||
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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