Luohe LED outdoor single red screen procurement announcement

Title Name: LED outdoor display red single procurement notice

Bid No.: Luohe inquiry No. [2009]048 word mining property

Announcement date: March 12, 2009

Deadline: March 16, 2009

Tendering agency:

: provinces - Luohe City, Henan Province

: requirements LED outdoor single red display technology:

1, LED lamps specification (AXT): one set (net area of 7.94m2)

Led average luminance level / vertical angle of the center wavelength of the test conditions

1R (single red) 800-1000mcd 110o/ vertical 60o 625nm 25 C, 20mA

2, module specification

No project parameters / specifications

1 Physical pitch 10mm

2 Density 10000 /m2

3 light color red

LED 1R 4 specifications

5 module size 320mm*160mm

6 module resolution 32 *16

7 driving voltage DC5V

8 rated power 45W module

, screen size 3

No project technical parameters

A total of 1 screen 992 x 80 pixel horizontal vertical point =79360

2 screen display area of 9.92 meters by 0.80 meters =7.94m2

3 LED drive / scan mode of constant current and dynamic 1/4 scanning

4 best horizon 5M - 200M

5 brightness above 3500cd

Level 6 110o/ 60o vertical visual angle

7 frame frequency 60HZ

8 maintenance maintenance

9 meanwell power switching power supply

10 refresh frequency is greater than or equal to 300HZ

11 maximum power 600W/m2

12 average power 300W/m2

13 screen life longer than 100 thousand hours

Scotoma rate 14