T1504 ACER, T1504 Datasheet - Page 20

• Manufacturer Part Number: T1504
• Description: COLOR TFT LCD MODULE
• Manufacturer: ACER

B
C
D
A
DESIG.
12. APPEARANCE SPECIFICATIONS
12. APPEARANCE SPECIF
12. APPEARANCE SPECIF
12. APPEARANCE SPECIF
№
12-1. Appearance
Note
・Foreign particle and scratch that do not affect display image are not counted. Such as foreign
・These items are applied to the defects in the cell when backlight is on, and defects on the surface
・Inspector must observe the LCD screen from the normal direction unless specified. The distance
12-2. Dot defects (Bright spots, Dark spots)
1
2
3
particle between glass and polarizer film out of the display area, scratch on metal vessel,
backlight module or polarizer film out of the display area, etc.
of the polarizer film at the display area.
between the LCD screen and the inspector should be 35cm or more.
One 20W fluorescent lamp is used at 50cm above the work table.
At this time, the illuminance at the vertical direction to the fluorescent lamp is 400 to 600lux
(reference value).
12-2-1. Zone
12-2-2. Bright spots
Foreign
particle
Scratch
Nick
(1) Bright spots are classified as follows. (based on brightness samples)
(2) Bright spots by the light passing through tears, breaks, etc in color filter.
(3) Bright spots by the light passing through tears, breaks, etc in chromium mask.
•Exceed size of a half dot ................................................. High bright spot
•A half dot or less ............................................................. Not counted
•Exceed 50 m ................................................................... High bright spot
•50 m or less ................................................................... Not counted
•These Visible under bias of 2% ND filter ..................... High bright spot R•G
•Visible under 5% but invisible under 2% ND filter ..... Low bright spot R•G•B
•Invisible under bias of 5% ND filter ............................. Not counted
1
1
Inside display dot area (304.1× 228.1mm)
Display dot area means active area.
One pixel consists of 3 dots (red, green and blue).
Black particle
Fiber
Scratch on polarizer film
Nick on polarizer film
Item
CHECK
ICATIONS
ICATIONS
ICATIONS
2
Judgement method and standard
APPR.
10.0 > L
0.5 > D
0.5 > D
3.0 > L
N 4
N 4
N 6
N 6
Tech Bes LCD-00033
3
Average diameter : D [mm]
FLC38XGC6V-06
【FLC38XGC6V-06】
Recognized in the
cell with lighting
Length : L
Width
Remarks
: W [mm]
19
[mm]
4
A
B
C
D
E
F