Ordos City Government Procurement Center LED electronic display screen bidding documents supplementary announcement

Erdos municipal government procurement center of the Erdos Cultural Arts Center, Erdos theatre, Ordos City purchase LED-display.cnLEDw.com/ >LED electronic display library "(bid No.: ORDOSCG-G20090031) the tender documents supplement as follows:

A bidding document, second part of the second package (Cultural Arts Center) in full color outdoor LED (7, 8) technical parameters:

1 LED size: 24m2, 30m2

2 LED specifications: 1R1G1B surface mount three one full color;

3 pixel spacing of less than 10mm;

4 pixel density is greater than or equal to 10000 /m2;

5 brightness above 6000cd/m2;

6 blind spot rate less than 0.0001 (discrete distribution);

7 driven by constant current drive 1/8 scanning;

Should reach the level of 8 from the angle of 160 degrees, 120 degrees vertical;

9 refresh frequency is more than 360HZ, change the frame rate of more than 60 frames per second;

10 using optical fiber transmission;

11 MTBF should be more than 8000 hours, the screen life more than 100 thousand hours;

12 screen body should have moistureproof, dustproof, anti-static, anti-corrosion, waterproof device, and over-current, short circuit, overvoltage protection device and under pressure;

13 tube core with the same quality or Gangke Rui Hua die.

Control equipment requirements:

1 can display point by point by point correction, color correction display card between the box;

2 recognition program can identify various kinds of scanning mode and various signal to the drive plate;

3 support at 65536 level (64K) adjusted in size gray gray;

4 supports the refresh rate set, and can set the screen refresh rate of integer times locked in on the computer monitor refresh rate;

5 receiving card integrated test function, provide a variety of test mode;

6 receiving card support online upgrade program, which is required to receive card removed from the big screen can be upgraded.

Control software requirements:

1 can be run on WIN98, WIN2000 and WINXP operating system;

Provides 2 external program interface;

3 can adjust the video source color, saturation, brightness and contrast;

4 support background play, play time and multi window multi task while playing.

Two bidding documents, second part of the second package, 1 P12, and the general surface mount full-color screen (Opera Hall stage background surface mount full-color screen) technical parameter requirements "(3) pixel spacing is less than or equal to 12mm (4), the pixel density is 6944 /m2

Three, supplement is a part of the bidding documents, and has the same legal effect of tender documents, bid at the well-known supplier.

Four, contact: Shi Junli Tel: 0477-8581629

Wang Lu Tel: 0477-8581602

Ordos municipal government procurement center

April 8, 2009