1. In a liquid crystal display device having a number of pixels, a method for reducing a response time of the pixels corresponding to a period of time required for a selected pixel at a starting pixel value (s) to reach a target pixel value (p), comprising:
determining an overdrive pixel value based upon an extended overdrive function Gs(p) having an extended LCD saturation region sub-function and an LCD unsaturated region sub-function; and
applying the overdrive pixel value to the pixel thereby reducing the pixel response time.
2. A method as recited in claim 1, wherein the overdrive
function
\u2062
\u2003
\u2062
G
s
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(
p
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=
{
p
–
m
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m
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s
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p
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+
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p
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wherein m(s) is the minimum pixel value reachable in one frame time starting at s and M(s) is the maximum pixel value reachable in one frame time starting at s, and wherein where fs is the one-frame pixel-response function corresponding to a fixed start-pixel s.
3. A method as recited in claim 2, wherein when the starting pixel value (s) and the target pixel value (p) are each in the LCD unsaturated region, then the target pixel value p is reached within one frame period such that a deficit \u03b4(p) corresponding to a difference between the target pixel value and a pixel value achieved in one frame time is zero.
4. A method as recited in claim 2, wherein when the target pixel value p is greater than the maximum pixel value reachable in one frame time M(s) then the deficit \u03b4(p) becomes positive and grows by one pixel for each pixel further that the target p proceeds past the maximum pixel value reachable in one frame time M(s) wherein the deficit \u03b4(p) is added to a first saturation value.
5. A method as recited in claim 4, wherein the first saturation value is 255.
6. A method as recited in claim 2, wherein when the target pixel value p is less than the minimum pixel value reachable in one frame time m(s) then the deficit \u03b4(p)=p\u2212m(s) wherein the deficit \u03b4(p) is added to a second saturation value.
7. A method as recited in claim 6, wherein the second saturation value is 0.
8. Computer program product for reducing a response time of the pixels corresponding to a period of time required for a selected pixel at a starting pixel value (s) to reach a target pixel value (p), comprising:
computer code for determining an overdrive pixel value based upon an extended overdrive function Gs(p) having an extended LCD saturation region sub-function and an LCD unsaturated region sub-function;
computer code for applying the overdrive pixel value to the pixel thereby reducing the pixel response time; and
computer readable medium for storing the computer code.
9. Computer program product as recited in claim 8, wherein the extended
overdrive
\u2062
\u2003
\u2062
function
\u2062
\u2003
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G
s
\u2061
(
p
)
=
{
p
–
m
\u2061
(
s
)
,
p
<
m
\u2061
(
s
)
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s
–
1
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(
p
)
,
m
\u2061
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s
)
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p
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M
\u2061
(
s
)
255
+
(
p
–
M
\u2061
(
s
)
)
,
p
>
M
\u2061
(
s
)
wherein m(s) is the minimum pixel value reachable in one frame time starting at s and M(s) is the maximum pixel value reachable in one frame time starting at s, and wherein fs is the one-frame pixel-response function corresponding to a fixed start-pixel s.
10. Computer program product as recited in claim 9, wherein when the starting pixel value (s) and the target pixel value (p) are each in the LCD unsaturated region, then the target pixel value p is reached within one frame period such that a deficit \u03b4 corresponding to a difference between the target pixel value and a pixel value achieved in one frame time is zero.
11. Computer program product as recited in claim 10, wherein when the target pixel value is greater than the maximum pixel value reachable in one frame time M(s) then the deficit becomes positive and grows by one pixel for each pixel further that the target p proceeds past the maximum wherein the deficit \u03b4(p) is added to a first saturation value.
12. Computer program product as recited in claim 11, wherein the first saturation value is 255.
13. Computer program product as recited in claim 12, wherein when the target pixel value p is less than the minimum pixel value reachable in one frame time m(s) then the deficit \u03b4(p)=p\u2212m(s) wherein the deficit \u03b4(p) is added to a second saturation value.
14. Computer program product as recited in claim 13, wherein the second saturation value is 0.
15. In a liquid crystal display device having a number of pixels, an apparatus for reducing a response time of the pixels corresponding to a period of time required for a selected pixel at a starting pixel value (s) to reach a target pixel value (p), comprising:
a pixel overdrive unit for determining an overdrive pixel value based upon an extended overdrive function Gs(p) having an extended LCD saturation region sub-function and an LCD unsaturated region sub-function and applying a pixel overdrive applying the overdrive pixel value to the pixel thereby reducing the pixel response time.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
What is claimed is:
1. A pressure-heat drying apparatus comprising:
a pressure vessel for accommodating a workpiece to be dried, said workpiece coated with a solution containing a solute dissolved in a solvent adhering thereto;
a pressure regulating means for increasing a pressure in said pressure vessel to a level equal to or higher than an atmospheric pressure by introducing an air or an inert gas into said pressure vessel;
a temperature regulating means for increasing a temperature in said pressure vessel to a level equal to or higher than a room temperature;
a pressure and temperature maintaining means for maintaining the pressure and the temperature in said pressure vessel constantly at a set pressure and a set temperature, respectively; and
a pressure reducing means for reducing the pressure in said pressure vessel to the atmospheric pressure.
2. A pressure-heat drying apparatus in accordance with claim 1, further comprising a cooling section arranged in said pressure vessel, wherein a temperature in said cooling section is controlled to be equal or lower than said set temperature.
3. A pressure-heat drying apparatus in accordance with claim 1, further comprising a circulation means arranged in said pressure vessel for efficiently controlling the temperature in said pressure vessel.
4. A pressure-heat drying apparatus in accordance with claim 1, in which said pressure vessel can accommodate a plurality of said workpieces.