20080723-461-tft lcd面板的驅動與設計part 3
TRANSCRIPT
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Page 2D i s p l a y I n s t i t u t eDo not copy or distribute without written consent
3.1.
2.
3.
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D i s p l a y I n s t i t u t eDo not copy or distribute without written consent
3.13.1.2
3.1.2.1
3.1.2.2
3.1.2.3
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3.13.1.3
3.1.3.1
3.1.3.2
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3.13.1.4 TFT
3.1.4.1
3.1.4.2
3.1.4.3
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3.2 TFT LCD3.2.1(Worst
case design)
3.2.2
InitialD esign.EX E
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3.2 TFT LCD3.2.2
3.2.2.1 TFT
3.2.2.1.1 Icharge
3.2.2.1.2 dtcharge
3.2.2.1.3 Ccharge
3.2.2.1.4 dVcharge
Icharge dtcharge > Ccharge dVcharge
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3.2 TFT LCD3.2.2
3.2.2.2 TFT
3.2.2.2.1Ileak
3.2.2.1.2 dthold
3.2.2.2.3 Chold
3.2.2.2.4dVhold
Ileakdthold > Chold dVhold
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3.2 TFT LCD3.2.2
3.2.2.3
3.2.2.4
W < [Cs+Clc,MIN][Cs+Clc,MAX]/{|VOFF-VON|(Cgd/W)}
3Rscan{Cx1+Cg0+(Cgd/W)W+WL(ins0/tins)
+[(Cgd/W)W(Cs+Clc,MAX)]} < Delay
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3.2 TFT LCD3.2.3
3.2.3.1 TFT(1)
(2)
//N+
{3.2} Top ITOTFT
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3.2 TFT LCD3.2.3
3.2.3.1 TFT/(3)/N+
ITO(5)
/(4)
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3.2 TFT LCD3.2.3
3.2.3.2 (Process design rule){3.2} TFT
MoW: 14 cm200nm
=14 cm/200nm = 0.7 /
SiNx: 6.9360nm6.90/360nm
= 0.17 fF/m2
100nm
N50nm
/ Al-Nd: 4 cm600nm
MoW: 14 cm50nm= 4 cm/600nm14 cm/50nm
= 0.0672.8 / = 0.065 /
SiNx: 6.0400nm
6.00/400nm
= 0.133 fF/m2
ITO: 30 cm800nm < 10%
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3.2 TFT LCD3.2.3
3.2.3.2 (Process design rule){3.2} TFT
: 5m: 3.5m
: 10.5m
: 5m: 4m: 00.5m
/ : 7m: 4m
: 21m
: 3m: 3m
: -11m
ITO : 5m
: 11m
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3.2 TFT LCD3.2.3
3.2.3.2 (Process design rule){3.2} TFT
v.s.
: 3m
: 0.6m
/v.s.
: 0.6m
/v.s.
: 3m
: 1m
v.s.
: 4m
: 0.6m
v.s.
/: 5m
: 1m
v.s.
: 0.6m
v.s.
/
: 1m
v.s.
ITO: 5m
: 1m
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3.2 TFT LCD3.2.3
3.2.3.2 (Process design rule){3.2} TFT
TFT ({3.3})
: 0.15cm2/Vsec
: 1V : -0.5V
0.1pA/m
: 0.17fF/m
VD = 1V
VD = 10V
-10.0 0.0 10.0 20.0
VG [V]
10-14
10-13
10-12
10-11
10-10
10-910
-8
10-7
10-
ID
[A]
VD = 10V
VD = 1V
-10.0 0.0 10.0 20.0
VG [V]
-0.0u
0.1u
0.2u
0.3u
0.4u
ID
[A]
{3.3}TFT
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3.2 TFT LCD3.2.3
3.2.3.3
3.2.4
3.2.5
3.2.5.1
3.2.5.2 TFT
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3.2 TFT LCD3.2.5
3.2.5.2 TFT
1280 x 3 x 1024
88m x 264m 16.7msec {2.7}VESA
15.6sec {2.7}VESA
88% 3.1.3.2
11.7
3.8 1013cm
4.7m
8mV 2.3.3.1
0.1V(V)2.5.3.3
{3.3} 17SXGA TFT
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3.2 TFT LCD3.2.5
3.2.5.3
{3.4} 17SXGATFT
1.13m7m
[(264-13)m x (88-
7)m] 87.5% > 16.7msec
4.{3.3}TFT > 0.02pA/m
5.2secOutputEnable
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3.2 TFT LCD3.2.5
3.2.5.5{3.4}17SXGATFT
/ 0.0189 fF/m2
1392m2 26.31fF
// 0.017 fF/m2 420m
2
7.14fF 0.17 fF/m
222m
2 3.74fF
0.17 fF/m2
22m2 3.74fF
0.022 fF/m
2
0.0072 fF/m2 21363m
2 469.99fF
153.81fF
0.133 fF/m2
233m2 30.99fF
0.133 fF/
m2
259
m2 34.45fF
/ 0.075 fF/m2
73m2 5.48fF
0.17 fF/m2
2132m2 362.44fF
0.17 fF/m2
119m2 20.23fF
0.17 fF/m2
119m2 20.23fF
0.7 /
7/28+7/56+73/32
= 2.656 1.8592
/ 0.065/22/9+242/7
2.406 = 37.016
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3.2 TFT LCD3.2.5
3.2.5.5
{3.6}17SXGATFT
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3.2 TFT LCD3.2.5
3.2.5.6
{3.7}17SXGA
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3.2 TFT LCD3.2.5.6
3.2.5.6.1-
0.714k
105.6pF
0.357k
105.6pF
0.714k
105.6pF
0.714k
105.6pF
0.714k
105.6pF
0.714k
105.6pF
0.357k
105.6pF
0.714k
105.6pF
0.714k
105.6pF
0.714k
105.6pF
0.714k
{3.9} 17SXGA-
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3.2 TFT LCD3.2.5.6
3.2.5.6.2-
{3.10}17SXGA
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3.2 TFT LCD3.2.5.6
3.2.5.6.3
17-inch N etlist17SXGANetlist
Vscan1024 s1024h1 0 PULSE (-4V 36V 5U 0.01U 0.01U 10.6U 200U)
Vscan1023 s1023h1 0 PULSE (-4V 36V 20.6U 0.01U 0.01U 10.6U 200U)
Vscan1 s1h1 0 PULSE(-4V 36V 161U 0.01U 0.01U 10.6U 200U)
Vscan0 s0h1 0 PULSE(-4V 36V 176.6U 0.01U 0.01U 10.6U 200U)
Vdata1 d1v1 0 PULSE (0V 10V 4U 0.01U 0.01U 200U 400U)
Vdata2 d2v1 0 PULSE (10V 0V 4U 0.01U 0.01U 200U 400U)
Vdata3839 d3839v1 0 PULSE (0V 10V 4U 0.01U 0.01U 200U 400U)
Vdata3840 d3840v1 0 PULSE (10V 0V 4U 0.01U 0.01U 200U 400U)
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3.2 TFT LCD3.2.5.6
3.2.5.6.3 'v(righttop:pixel)''v(s1023h3839)''v(d3839v1023)'
0.0m 0.2m 0.4m 0.6m 0.8m 1.0mtime [sec]
-10.0
0.0
10.0
20.0
30.0
40.0
vo
ltage
[V]
{3.12}
(a)
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3.2 TFT LCD3.2.5.6
3.2.5.6.3
'v(righttop:pixel)''v(lefttop:pixel)'
'v(rightbottom:pixel)''v(leftbottom:pixel)'
0.0m 0.2m 0.4m 0.6m 0.8m 1.0m
time [sec]
-5.0
0.0
5.0
10.0
15.0
20.0
25.0
30.0
pixelv
oltage
[V]
{3.12}
(b)
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3.2 TFT LCD3.2.5.6
3.2.5.6.3
'v(s1023h1)''v(s1024h1)'
'v(s0h1)''v(s1h1)'
'v(s1023h3839)''v(s0h3839)'
'v(s1h3839)' 'v(s1024h3839)'
150.0u 170.0u 190.0u 210.0u 230.0u 250.0
time [sec]
-15.0
0.0
15.0
30.0
45.0
sacnvoltage
[V]
{3.12}
(c)
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3.2 TFT LCD3.2.5.6
3.2.5.6.4Vscan1024 s1024h1 0 PULSE (36V -4V 10U 0.01U 0.01U 16M 16.7M)
Vscan1023 s1023h1 0 PULSE (36V -4V 25U 0.01U 0.01U 16M 16.7M)
Vscan1 s1h1 0 PULSE (36V -4V 40U 0.01U 0.01U 16M 16.7M)
Vscan0 s0h1 0 PULSE (36V -4V 55U 0.01U 0.01U 16M 16.7M)
Vdata1 d1v1 0 PULSE (0V 10V 5U 0.01U 0.01U 15U 30U)
Vdata2 d2v1 0 PULSE (10V 0V 5U 0.01U 0.01U 15U 30U)
Vdata3839 d3839v1 0 PULSE (0V 10V 5U 0.01U 0.01U 15U 30U)
Vdata3840 d3840v1 0 PULSE (10V 0V 5U 0.01U 0.01U 15U 30U)
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3.2 TFT LCD3.2.5.6
3.2.5.6.4
'v(righttop:pixel)''v(rightbottom:pixel)'
'v(lefttop:pixel)''v(leftbottom:pixel)'
25.0m 35.0m 45.0m 55.0m 65.0m 75.0
time [sec]
-5.0
0.0
5.0
10.0
15.0
20.0
25.0
30.0
pixelvoltage
[V
]
{3.13}
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3.2 TFT LCD3.2.5.6
3.2.5.6.5Vscan1024 s1024h1 0 PULSE (-4V 36V 5U 1U 1U 500U 16.7M)
Vscan1023 s1023h1 0 PULSE (-4V 36V 605U 1U 1U 500U 16.7M)
Vscan1 s1h1 0 PULSE(-4V 36V 16005U 1U 1U 500U 16.7M)
Vscan0 s0h1 0 PULSE(-4V 36V 16605U 1U 1U 500U 16.7M)
Vdata1 d1v1 0 PULSE (0V 10V 4U 1U 1U 16.7M 33.4M)
Vdata2 d2v1 0 PULSE (10V 0V 4U 1U 1U 16.7M 33.4M)
Vdata3839 d3839v1 0 PULSE (0V 10V 4U 1U 1U 16.7M 33.4M)
Vdata3840 d3840v1 0 PULSE (10V 0V 4U 1U 1U 16.7M 33.4M)
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3.2 TFT LCD3.2.5.6
3.2.5.6.5
'v(righttop:pixel)''v(rightbottom:pixel)'
'v(lefttop:pixel)''v(leftbottom:pixel)'
0.2m 0.3m 0.3m 0.3m 0.4m
time [sec]
-0.8
-0.4
-0.0
0.4
0.8
pi
xelvoltage
[V]
{3.14}
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3.2 TFT LCD3.2.5.6
3.2.5.6.5
'v(righttop:pixel)''v(rightbottom:pixel)'
'v(lefttop:pixel)''v(leftbottom:pixel)'
0.2m 0.3m 0.3m 0.3m 0.4m
time [sec]
-0.8
-0.4
-0.0
0.4
0.8
pi
xelvoltage
[V]
{3.14}
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3.2 TFT LCD3.2.5.7
IC
{2.38}IC
TFTTFT
3.2.5.8
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3.33.3.1
{3.15}
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3.33.3.4
3.3.4.1
3.3.4.2
3.3.4.3
3.3.4.4
3.3.4.5
3.3.4.6 3.3.4.7
3.3.4.8
3.3.4.9
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3.33.3.5(Test keys)
3.3.5.1(Critical dimension)
3.3.5.2(Overlay)
3.3.5.3{3.18}
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3.33.3.6
3.3.7
{3.19}
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3.33.3.8
3.3.8.1 Wire On Array (WOA)
IC
TAB
(a) (b)
WOA
WOA
{3.19}IC(a) (b) WOA
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