Entrusted by the Chengdu High-tech Zone Court of the purchaser, the procurement and installation of the trial system of the Chengdu High-tech Zone Court will be purchased by public bidding. In order to ensure the legitimate rights and interests of government procurement parties and ensure that the government procurement procedures are open, fair and just, the opinions of various suppliers are widely consulted on the qualification conditions and technical requirements of the project (see attachment). If you believe that the qualifications and technical requirements of the project are biased or unreasonable, please specify the content of the tendency or irrationality, and explain and provide relevant supporting materials. Please submit your comments to our center in writing before 17:00 on May 6, 2009. Thank you very much for your participation.
High-tech court bidding procurement request for comments. doc part of the content
Fourth, the main technical requirements
4.1 Indoor full color LED screen
4.1.1 Pixel Design This project requires a 6mm indoor color display with a dot spacing.
4.1.2 Technical parameters Display technical parameters and indicators display color red, green, blue physical point spacing 6mm
Pixel composition 1R+1PG+1PB
Physical module number of rows and columns 32 × 32 = 1024
Unit board size 194mm × 194mm
Screen parameter display size is 2500mm long × 1730mm wide
Physical density greater than 27000 points / m2
Screen brightness ≥700cd/m2 (highest brightness when full color screen white balance), software adjustable brightness adjustment 64 level manual/automatic/program control remaining parameters control host computer operating system 2000/NT/XP (or better than the system)
Control mode online synchronization control (can connect video and TV signals)
Screen horizontal viewing angle ≥ 650
Screen vertical viewing angle ≥ 550
Grayscale / color 256 levels (16777216 levels)
Single-point pixel brightness color balance uniformity Pixel light intensity, module brightness uniformity; color uniformity ≥ 0.95; color uniformity = (when the whole screen monochrome is the brightest) Brightness of the lowest brightness area / brightness nonlinear correction of the highest brightness area ( GAMMA) software adjustable image processing video noise reduction, fast motion compensation, edge sharpening, edge smoothing, color coordinate space transformation and control, grayscale driving device constant current driving device driving mode 1/8 scan drive control system DB2008
Computer display mode 1024×768
Continuous working time Unlimited screen life 100,000 hours Continuous trouble-free time 10,000 hours Out of control company name: Chengdu High-tech Zone Government Procurement Service Center Contact: Liu Tingting Sun Weina Tel: 028-85177566, 87790035-801 E-mail: Fax: 028 -85177566 Postal Code: Address: Purchasing Center, 11th Floor, Management Committee, High-tech Zone, Block A, No. 18, North Section of Tianfu Avenue, Chengdu
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