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* CASE Medium / Warm
First adjust the coordinate far away from the target
value(x, y).
1. x, y > target
i) Decrease the R, G.
2. x, y < target
i) First decrease the B gain,
ii) Decrease the one of the others.
3. x > target, y < target
i) First decrease B, so make y a little more than the target.
ii) Adjust x value by decreasing the R
4. x < target, y > target
i) First decrease B, so make x a little more than the target.
ii) Adjust y value by decreasing the G
*Ascended method of Adjusting W/B
- CASE Cool
First adjust the coordinate far away from the target
value(x, y).B
1. x, y > target
2. x, y < target
3. x > target , y < target
4. x < target , y >target
- Every 4 case have to fit y value by adjusting B Gain
and then fit x value by adjusting R-Gain
- In this case, increasing/decreasing of B Gain and R
Gain can be adjusted.
- How to adjust
1. Fix G gain to 172
Adjust R Gain and B Gain ( In Case of Mostly Blue
Gain Saturation )
2. When B Gain > 255, Release Fixed G Gain and
Readjust
- CASE Medium / Warm
First adjust the coordinate far away from the target
value(x, y).
1. x, y > target
i) Decrease the R, G.
2. x, y < target
i) First decrease the B gain,
ii) The one value is bigger than the target then the other
one should be not much more bigger than target.
iii) In case that we take x off, we also take R(G-gain fix)
In other case that we take y off, we also take G
(R-gain fix)
3. x > target , y < target
i) First decrease B, so make y a little more than the
target.
ii) Adjust x value by decreasing the R
4. x < target , y > target
i) First decrease B, so make x a little more than the
target.
ii) Adjust y value by decreasing the G
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Only for training and service purposes
▪ Adjustment condition and cautionary items
1) Lighting condition in surrounding area
Surrounding lighting should be lower 10 lux. Try to
isolate adj. area into dark surrounding.
2) Probe location
: Color Analyzer(CA-210) probe should be within 10 cm
and perpendicular of the module surface (80° ~ 100°)
3) Aging time
- After Aging Start, Keep the Power ON status during 5
Minutes.
- In case of LCD, Back-light on should be checked
using no signal or Full-white pattern.
4.2.6. Reference (White balance Adj. coordinate and
color temperature)
▪ Luminance : 206 Gray
▪ Standard color coordinate and temperature using CS-1000
(over 26 inch)
Coordinate
Mode
x
Cool
0.271
Medium
0.285
Warm
0.310
▪ Standard color coordinate and temperature using CA-210(CH 18)
Mode
x
Cool
0.271±0.002
Medium
0.285±0.002
Warm
0.310±0.002
4.2.7. EDGE LED White balance table
(1) EDGE LED module change color coordinate because of
aging time.
(2) Apply under the color coordinate table, for compensated
aging time.
(3) Normal line
Aging
GP4
time
X
(Min)
271
1
0-2
281
2
3-5
280
3
6-9
278
4
10-19
276
5
20-35
275
6
36-49
274
7
50-79
273
8
80-119
272
9
Over 120
271
- 17 -
Temp
y
0.270
13000 K
0.293
9300 K
0.325
6500 K
Coordinate
Temp
y
0.270±0.002
13000K 0.0000
0.293±0.002
9300K
0.325±0.002
6500K
Cool
Medium
y
x
y
270
286
289
287
296
306
285
295
304
284
293
303
281
291
300
277
290
296
274
289
293
272
288
291
271
287
290
270
286
289
LGE Internal Use Only
∆uv
0.0000
0.0000
0.0000
∆uv
0.0000
0.0000
Warm
x
y
314
318
321
331
320
329
318
328
316
325
315
321
314
318
313
316
312
315
311
314
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